Die Set Components – INCH


The Industry Standard, Conformed to Your Needs

LEMPCO customization services will go to virtually any length to satisfy your needs. Now, the
full range of answers to your requirements is at your command. It could be a simple modification
or something quite exotic. Whatever your need, LEMPCO will work closely with you to make
sure your specs are met.

The pride we have in our ability to perform (and to provide you with profitable production
performance) is stamped on every part we make. The LEMPCO stamp means satisfaction in
terms of quality, dependability and service since 1918. Other brands may appear the same; for
a system to truly perform, look for the LEMPCO name.


We pledge that all of our products – innovative or conventional – will be manufactured to the
same high quality level throughout the coming years.

Included in our full line offering are both inch and metric size die sets and die components that
are designed to numerous die standards including ISO, NAAMS and JIS. The complete product
offering includes:


..........Ball bearing and plain bearing die sets
(including custom and catalog sets)

..........Ball bearing components
(including the exclusive Rotainer®)

..........Plain bearing components

..........Aluminum precision die sets

..........Forming Machine die sets

..........Lempcoshank® kits for die sets

..........Ground and machined plates

..........ISO and JIS Die Springs

..........Nitrogen gas springs

..........Formathane® Urethane springs, strippers,
sheets, bars, rods and die cover film

..........Accu-BendTM Rotary Benders

..........Lempcoloy® self-lubricating bushings

CONTENTS


PAGE NUMBER

Introduction

2

Operating Conditions

3

Ball Bearing Components
Rotainers® 4
Retainers 5
Demountable Steel Guide Post Bushings 6
Shoulder Guide Post Bushings 8
Press Fit Steel Sleeve Bushings 10
Straight Guide Posts 11
Flanged Demountable Guide Posts 12
Shoulder Guide Posts 14

Ball Bearing Engineering Data 15
Installation and Assembly Instructions 16
General Die Set Design Procedures 17

Plain Bearing Components
Lempcoloy® Self-Lubricating Bushings 18
Precision Demountable Bushings 20
Precision Bronze-Plated Demountable Bushings 22
Precision Press Fit Bushings 23
Shoulder Guide Post Bushings 24
Flanged Demountable Guide Posts 26
Shoulder Guide Posts 28
Straight Guide Posts 29

Plain Bearing Engineering Data

Boring Procedures and Dimensions 30

1



INTRODUCTION


LEMPCO customization services will go to virtually any length to
satisfy your guidance system needs – any diameter; any material,
hardness, or finish; in any component or configuration – anything!
You have a process or problem that standard guidance system
solutions can’t handle. That’s where LEMPCO guidance systems
come in.
Punch
Shoe
Small
Radius
Guide
Post
Set
Screw
ROTAINER®
Bushing
Blue stripetrademark
of Lempco
Large Radius Die Shoe
Typical Lempco customized guidance system components.

2


OPERATING CONDITIONS


TYPE 1 TYPE 2 TYPE 3


PRELOADED


MAXIMUM NUMBER
OF BALL BEARINGS
IN CONTACT WITH
THE GUIDE POST
AND THE BUSHING


PRELOAD RELIEVED

THE GUIDE PIN (ONLY)
LEAVES THE BUSHING
WHILE THE BALL CAGE
REMAINS IN THE
BUSHING


FULL DISENGAGEMENT


BOTH THE GUIDE PIN
AND THE BALL CAGE
LEAVE THE BUSHING

BALL BEARING ASSEMBLY
LUBRICATION RECOMMENDATION


IN OPERATION OF BALL ASSEMBLY, ADD LUBRICANT ONCE EACH 8-HOUR
SHIFT BY SPRAY OR BRUSH APPLICATION.

USE A LIGHTWEIGHT SPINDLE OIL OR AUTOMOTIVE TYPE AUTOMATIC
TRANSMISSION FLUID.

CAUTION: NEVER USE GREASE!

3



ROTAINERS®


For Ball Bearing Applications



Designed to rotate on the post, as well as maintain its
vertical motion, LEMPCO’s ROTAINER® was developed to
greatly reduce the amount of tracking. The disengagement
of the guide post from the bushing by 1/4" at the top of the
stroke will allow the ROTAINER® to rotate 360° on the guide
post. The ROTAINER®, while still designed to track, (assuring
a measurable amount of preload) will enable stampers to
achieve high press production by reducing expensive
replacement costs.

Rotainer® Slide ReplacementWith Screw Assembly Number
Of
InsertsNom. AssemblyPart No.
3/4 899-9406 1
1 899-9408 1
11/4 899-9410 1
11/2 899-9412 1
13/4 899-9414 1
2 899-9416 2
21/2 899-9420 2
3 899-9424 2

Nom. Post
Diameter
A
Length(in)
L
CatalogNumber
3/4"
11/2 361-0606
13/4 361-0607
2 361-0608
21/4
21/2
361-0609
361-0610
1"
11/2 361-0806
13/4 361-0807
2 361-0808
21/4
21/2
361-0809
361-0810
11/4"
2 361-1008
21/4 361-1009
21/2 361-1010
23/4 361-1011
3
31/4
361-1012
361-1013
11/2"
21/2 361-1210
23/4 361-1211
3 361-1212
31/4 361-1213
31/2
33/4
361-1214
361-1215
13/4"
23/4 361-1411
3 361-1412
31/4 361-1413
31/2 361-1414
33/4 361-1415
4
41/4
361-1416
361-1417
2"
31/4 361-1613
31/2 361-1614
33/4 361-1615
4 361-1616
41/4
41/2
361-1617
361-1618
21/2"
31/4 361-2013
4 361-2016
41/2 361-2018
5 361-2020
6 361-2024
61/2
7
361-2026
361-2028
3"
5 361-2420
6
7
361-2424
361-2428


Diameters and lengths not listed are available
by special order.

The LAST length for each diameter shown in
the table should be used for general die set
NOTE: Under a preloaded condition,

applications. Other lengths are for limited
the ROTAINER® will only move space and special applications.

vertically.

4


PRECISION
BALL BEARING RETAINERS

For Ball Bearing Applications


Nom. Post
Diameter
A
Length(in)
L
CatalogNumber
3/4"
11/2 931-0606
13/4 931-0607
2 931-0608
21/4
21/2
931-0609
931-0610
1"
11/2 931-0806
13/4 931-0807
2 931-0808
21/4
21/2
931-0809
931-0810
11/4"
2 931-1008
21/4 931-1009
21/2 931-1010
23/4 931-1011
3
31/4
931-1012
931-1013
11/2"
21/2 931-1210
23/4 931-1211
3 931-1212
31/4 931-1213
31/2
33/4
931-1214
931-1215
13/4"
23/4 931-1411
3 931-1412
31/4 931-1413
31/2 931-1414
33/4 931-1415
4
41/4
931-1416
931-1417
2"
31/4 931-1613
31/2 931-1614
33/4 931-1615
4 931-1616
41/4
41/2
931-1617
931-1618
21/2"
31/4 931-2013
4 931-2016
41/2 931-2018
5 931-2020
6 931-2024
61/2
7
931-2026
931-2028
3"
5 931-2420
6
7
931-2424
931-2428


The LEMPCO Precision Ball Bearing Retainer possesses
resistance to normal wear and to lateral motion, is smooth in
high speed operation and offers precise die register. It is keyed
to the guide post slot with a set screw.


The LAST length for each diameter shown in
the table should be used for general die set
applications. Other lengths are for limited
space and special applications.
5


DEMOUNTABLE STEEL
GUIDE POST BUSHINGS


For Ball Bearing Applications



LEMPCO Demountable Guide Post
Bushings are manufactured from 52100
tool steel and precision machined. See
pages 15–17 for mounting instructions.

Diameters and lengths not listed are
available by special order.

Nom.
Post B C E F
Radius
L CatalogM N
1 1.7154 2 1
7/8
1.219
Part8992
cla1.594
No.
9025
mps
2 962-0808
11/8 21/4 962-0809
13/8 21/2 962-0810
15/8 23/4 962-0811
17/8 3 962-0812
21/8 31/4 962-0813
23/8 31/2 962-0814
25/8 33/4 962-0815
11/4 2.1054 23/8 1
13/8
1.442
Part8993
cla1.864
No.
9125
mps
21/2 962-1010
15/8 23/4 962-1011
17/8 3 962-1012
21/8 31/4 962-1013
23/8 31/2 962-1014
25/8 33/4 962-1015
27/8 4 962-1016
31/8 41/4 962-1017
33/8 41/2 962-1018
37/8 5 962-1020
43/8 51/2 962-1022
47/8 6 962-1024
11/2 2.4354 211/16 11/4
15/8
1.598
Part8993
cla2.020
No.
9125
mps
3 962-1212
17/8 31/4 962-1213
21/8 31/2 962-1214
23/8 33/4 962-1215
25/8 4 962-1216
27/8 41/4 962-1217
31/8 41/2 962-1218
33/8 43/4 962-1219
35/8 5 962-1220
37/8 51/4 962-1221
41/8 51/2 962-1222
45/8 6 962-1224
13/4 2.7454 3 11/4
15/8
1.754
4 cla2.176
mps
3 962-1412
21/8 31/2 962-1414
23/8 33/4 962-1415
25/8 4 962-1416

6



DEMOUNTABLE STEEL
GUIDE POST BUSHINGS



For Ball Bearing Applications


Nom.
Post B C E F
Radius
L CatalogNumbersM N
13/4 2.7454 3 11/4
27/8
1.754
Part8994
cla2.176
No.
9125
mps
41/4 962-1417
31/8 41/2 962-1418
33/8 43/4 962-1419
35/8 5 962-1420
37/8 51/4 962-1421
41/8 51/2 962-1422
45/8 6 962-1424
51/8 61/2 962-1426
55/8 7 962-1428
2 3.1604 39/16 11/4
61/8
2.035
Part8994
cla2.457
No.
9125
mps
71/2 962-1430
15/8 3 962-1612
21/8 31/2 962-1614
23/8 33/4 962-1615
25/8 4 962-1616
27/8 41/4 962-1617
31/8 41/2 962-1618
33/8 43/4 962-1619
35/8 5 962-1620
37/8 51/4 962-1621
41/8 51/2 962-1622
45/8 6 962-1624
51/8 61/2 962-1626
55/8 7 962-1628
61/8 71/2 962-1630
21/2 3.6804 41/16 11/4
35/8
2.259
Part8994
cla2.681
No.
9125
mps
5 962-2020
41/8 51/2 962-2022
45/8 6 962-2024
51/8 61/2 962-2026
55/8 7 962-2028
61/8 71/2 962-2030
3 4.1804 49/16 11/4
35/8
2.531
Part8994
cla2.953
No.
9125
mps
5 962-2420
41/8 51/2 962-2422
45/8 6 962-2424
51/8 61/2 962-2426
55/8 7 962-2428
61/8 71/2 962-2430


NOTE:
The “C” dimension measurement
is from the outside edge of the
flange to the opposite outside edge.

7



SHOULDER
GUIDE POST BUSHINGS


For Ball Bearing Applications



NOTE:
The 963 Series product line is
not stocked, but is available as
a special order.

Shoulder Guide Post Bushings are manufactured from
52100 tool steel and precision ground. They are similar to
LEMPCO’s Steel Demountable Bushings but are a minimum
of .008" larger on the mounting diameter, corresponding to
the additional material on the Shoulder Guide Post. They
may be installed either by tap or press fitting.

These bushings are interchangeable. See pages 15–17
for mounting instructions.

Nom.
Post
Diameter B C E F
Radius
L CatalogNumbersM N
1 1.725 2 1
7/8
1.219
Part8992
cla1.594
No.
9025
mps
2 963-0808
11/8 21/4 963-0809
13/8 21/2 963-0810
15/8 23/4 963-0811
17/8 3 963-0812
21/8 31/4 963-0813
23/8 31/2 963-0814
25/8 33/4 963-0815
11/4 2.115 23/8 1
13/8
1.442
Part8993
cla1.864
No.
9125
mps
21/2 963-1010
15/8 23/4 963-1011
17/8 3 963-1012
21/8 31/4 963-1013
23/8 31/2 963-1014
25/8 33/4 963-1015
27/8 4 963-1016
31/8 41/4 963-1017
33/8 41/2 963-1018
37/8 5 963-1020
43/8 51/2 963-1022
47/8 6 963-1024
11/2 2.445 211/16 11/4
15/8
1.598
Part8993
cla2.020
No.
9125
mps
3 963-1212
17/8 31/4 963-1213
21/8 31/2 963-1214
23/8 33/4 963-1215
25/8 4 963-1216
27/8 41/4 963-1217
31/8 41/2 963-1218
33/8 43/4 963-1219
35/8 5 963-1220
37/8 51/4 963-1221
41/8 51/2 963-1222
45/8 6 963-1224

8



SHOULDER
GUIDE POST BUSHINGS

For Ball Bearing Applications



Nom.
Post
Diameter B C E F
Radius
L CatalogNumbersM N
13/4 2.755 3 11/4
15/8
1.754
Part8994
cla2.176
No.
9125
mps
3 963-1412
21/8 31/2 963-1414
23/8 33/4 963-1415
25/8 4 963-1416
27/8 41/4 963-1417
31/8 41/2 963-1418
33/8 43/4 963-1419
35/8 5 963-1420
37/8 51/4 963-1421
41/8 51/2 963-1422
45/8 6 963-1424
51/8 61/2 963-1426
55/8 7 963-1428
61/8 71/2 963-1430
2 3.170 39/16 11/4
15/8
2.035
4 clamps
Part8992.457
No.
9125
3 963-1612
21/8 31/2 963-1614
23/8 33/4 963-1615
25/8 4 963-1616
27/8 41/4 963-1617
31/8 41/2 963-1618
33/8 43/4 963-1619
35/8 5 963-1620
37/8 51/4 963-1621
41/8 51/2 963-1622
45/8 6 963-1624
51/8 61/2 963-1626
55/8 7 963-1628
61/8 71/2 963-1630
21/2 3.690 41/16 11/4
35/8
2.259
Part8994
cla2.681
No.
9125
mps
5 963-2020
41/8 51/2 963-2022
45/8 6 963-2024
51/8 61/2 963-2026
55/8 7 963-2028
61/8 71/2 963-2030

9



PRESS FIT STEEL
SLEEVE BUSHINGS



For Ball Bearing Applications
LEMPCO’s Press Fit Steel Sleeve Bushings are
manufactured from 52100 tool steel and precision
machined. The I.D. is ground and honed to a superfine
finish to minimize resistance to free action of the
retainer/Rotainer® bearings.

See pages 15–17 of this catalog for mounting
instructions.

Nom.
Post
Diameter B L CatalogNumbers
3/4 1.387
13/4 961-0607
2 961-0608
21/4 961-0609
21/2 961-0610
23/4 961-0611
3 961-0612
31/4 961-0613
31/2 961-0614
33/4 961-0615
4 961-0616
41/2 961-0618
5 961-0620
6 961-0624
1 1.717
2 961-0808
21/4 961-0809
21/2 961-0810
23/4 961-0811
3 961-0812
31/4 961-0813
31/2 961-0814
33/4 961-0815
4 961-0816
41/4 961-0817
41/2 961-0818
43/4 961-0819
5 961-0820
51/2 961-0822
6 961-0824
61/2 961-0826
7 961-0828
11/4 2.107
21/2 961-1010
23/4 961-1011
3 961-1012
31/4 961-1013
31/2 961-1014
33/4 961-1015
4 961-1016
41/4 961-1017
41/2 961-1018
5 961-1020
51/2 961-1022
6 961-1024
61/2 961-1026
7 961-1028
8 961-1032
9 961-1036

Nom.
Post
Diameter B L CatalogNumbers
11/2 2.437
3 961-1212
31/4 961-1213
31/2 961-1214
33/4 961-1215
4 961-1216
41/4 961-1217
41/2 961-1218
43/4 961-1219
5 961-1220
51/4 961-1221
51/2 961-1222
6 961-1224
61/2 961-1226
7 961-1228
71/2 961-1230
8 961-1232
81/2 961-1234
9 961-1236
10 961-1240
11 961-1244
12 961-124813/4 2.747
3 961-1412
31/2 961-1414
33/4 961-1415
4 961-1416
41/4 961-1417
41/2 961-1418
43/4 961-1419
5 961-1420
51/4 961-1421
51/2 961-1422
6 961-1424
61/2 961-1426
7 961-1428
71/2 961-1430
8 961-1432
81/2 961-1434
9 961-1436
10 961-1440
11 961-1444
12 961-1448
13 961-1452

Nom.
Post
Diameter B L CatalogNumbers
2 3.162
3 961-1612
31/2 961-1614
33/4 961-1615
4 961-1616
41/4 961-1617
41/2 961-1618
43/4 961-1619
5 961-1620
51/4 961-1621
51/2 961-1622
6 961-1624
61/2 961-1626
7 961-1628
71/2 961-1630
8 961-1632
81/2 961-1634
9 961-1636
10 961-1640
11 961-1644
12 961-1648
13 961-1652
14 961-165621/2 3.682
6 961-2024
61/2 961-2026
7 961-2028
71/2 961-2030
8 961-2032
81/2 961-2034
9 961-2036
91/2 961-2038
10 961-2040
11 961-2044
12 961-2048
13 961-2052
14 961-20563 4.182
6 961-2424
61/2 961-2426
7 961-2428
71/2 961-2430
8 961-2432
81/2 961-2434
9 961-2436
10 961-2440
11 961-2444
12 961-2448
13 961-2452
14 961-2456

10



STRAIGHT
GUIDE POSTS


For Ball Bearing Applications


LEMPCO’s Straight Guide Posts for ball bearing assemblies are manufactured
from 52100 tool steel and precision ground.

See pages 15–17 for mounting instructions.

Post
Diameter
A
Length
L
CatalogNumbers
3/4
(.753)
3 951-0612
31/4 951-0613
31/2 951-0614
33/4 951-0615
4 951-0616
41/4 951-0617
41/2 951-0618
43/4 951-0619
5 951-0620
51/2 951-0622
6 951-06241
(1.003)
33/4 951-0815
4 951-0816
41/4 951-0817
41/2 951-0818
43/4 951-0819
5 951-0820
51/4 951-0821
51/2 951-0822
53/4 951-0823
6 951-0824
61/2 951-0826
7 951-0828
71/2 951-0830
8 951-0832
81/2 951-0834
9 951-0836
10 951-0840
11 951-0844
12 951-084811/4
(1.253)
41/2 951-1018
43/4 951-1019
5 951-1020
51/4 951-1021
51/2 951-1022
53/4 951-1023
6 951-1024
61/2 951-1026
7 951-1028
71/2 951-1030
8 951-1032
81/2 951-1034
9 951-1036
10 951-1040
11 951-1044
12 951-1048

Post
Diameter
A
Length
L
CatalogNumbers
11/2
(1.503)
41/2 951-1218
43/4 951-1219
5 951-1220
51/4 951-1221
51/2 951-1222
53/4 951-1223
6 951-1224
61/2 951-1226
7 951-1228
71/2 951-1230
8 951-1232
81/2 951-1234
9 951-1236
91/2 951-1238
10 951-1240
101/2 951-1242
11 951-1244
111/2 951-1246
12 951-1248
121/2 951-1250
13 951-1252
14 951-125613/4
(1.753)
5 951-1420
51/4 951-1421
51/2 951-1422
53/4 951-1423
6 951-1424
61/4 951-1425
61/2 951-1426
7 951-1428
71/2 951-1430
8 951-1432
81/2 951-1434
9 951-1436
91/2 951-1438
10 951-1440
101/2 951-1442
11 951-1444
111/2 951-1446
12 951-1448
121/2 951-1450
13 951-1452
14 951-1456
15 951-1460
17 951-1468

Post
Diameter
A
Length
L
CatalogNumbers
2
(2.003)
51/2 951-1622
53/4 951-1623
6 951-1624
61/4 951-1625
61/2 951-1626
63/4 951-1627
7 951-1628
71/4 951-1629
71/2 951-1630
73/4 951-1631
8 951-1632
81/2 951-1634
9 951-1636
91/2 951-1638
10 951-1640
101/2 951-1642
11 951-1644
111/2 951-1646
12 951-1648
121/2 951-1650
13 951-1652
14 951-1656
15 951-1660
16 951-1664
17 951-1668
18 951-167221/2
(2.503)
8 951-2032
81/2 951-2034
9 951-2036
10 951-2040
11 951-2044
12 951-2048
13 951-2052
14 951-2056
17 951-2068
20 951-20803
(3.003)
8 951-2432
81/2 951-2434
9 951-2436
10 951-2440
11 951-2444
12 951-2448
13 951-2452
14 951-2456
17 951-2468
20 951-2480


11



FLANGED DEMOUNTABLE
GUIDE POSTS


For Ball Bearing
Applications


The LEMPCO Flanged
Demountable Guide Post
for ball bearing assemblies
is designed for those who
prefer the convenience of
a removable post to expedite
die repairs. The post is tap
fitted into the pin plate bore
with the flange flush to the
ground surface. See pages
15–17 for bore size data.

These Demountable Guide
Posts are manufactured from
52100 tool steel.

Diameter Nominal Length
CatalogNumbers
Post
A
Flange
B C E F
Radius
LM N
1
(1.003)
15/16 1.0009
1.0006
13/16
21/213/16
Part8993
cla11/8
No.
9225
mps
33/4 956-0815
23/4 4 956-0816
3 41/4 956-0817
31/4 41/2 956-0818
31/2 43/4 956-0819
33/4 5 956-0820
4 51/4 956-0821
41/4 51/2 956-0822
41/2 53/4 956-0823
43/4 6 956-0824
51/4 61/2 956-0826
53/4 7 956-0828
61/4 71/2 956-0830
63/4 8 956-0832
71/4 81/2 956-0834
73/4 9 956-083611/4
(1.253)
19/16 1.2509
1.2506
13/16
31/463/64
Part8993
cla125/64
No.
9325
mps
41/2 956-1018
31/2 43/4 956-1019
33/4 5 956-1020
4 51/4 956-1021
41/4 51/2 956-1022
41/2 53/4 956-1023
43/4 6 956-1024
51/4 61/2 956-1026
53/4 7 956-1028
61/4 71/2 956-1030
63/4 8 956-1032
71/4 81/2 956-1034
73/4 9 956-1036
83/4 10 956-1040
93/4 11 956-1044
103/4 12 956-104811/2
(1.503)
17/8 1.5009
1.5006
17/16
3
11/8
Part8993
cla117/32
No.
9325
mps
41/2 956-1218
31/4 43/4 956-1219
31/2 5 956-1220
33/4 51/4 956-1221
4 51/2 956-1222
41/4 53/4 956-1223
41/2 6 956-1224
5 61/2 956-1226
51/2 7 956-1228
6 71/2 956-1230
61/2 8 956-1232
7 81/2 956-1234
71/2 9 956-1236
8 91/2 956-1238
81/2 10 956-1240
9 101/2 956-1242
91/2 11 956-1244
10 111/2 956-1246
101/2 12 956-1248
11 121/2 956-1250
111/2 13 956-1252
121/2 14 956-125613/4
(1.753)
21/4 1.7509
1.7506
111/16 31/4119/64
4 clamps
Part899145/
64
No.
9325
5 956-1420
31/2 51/4 956-1421
33/4 51/2 956-1422
4 53/4 956-1423
41/4 6 956-1424
41/2 61/4 956-1425
43/4 61/2 956-1426

12



FLANGED DEMOUNTABLE
GUIDE POSTS


Diameter Nominal Length
CatalogNumbers
Post
A
Flange
B C E F
Radius
LM N
13/4
(1.753)
21/4 1.7509
1.7506
111/16
51/4119/64
Part8994
cla145/64
No.
9325
mps
7 956-1428
53/4 71/2 956-1430
61/4 8 956-1432
63/4 81/2 956-1434
71/4 9 956-1436
73/4 91/2 956-1438
81/4 10 956-1440
83/4 101/2 956-1442
91/4 11 956-1444
93/4 111/2 956-1446
101/4 12 956-1448
103/4 121/2 956-1450
111/4 13 956-1452
121/4 14 956-1456
131/4 15 956-1460
151/4 17 956-14682
(2.003)
21/2 2.0009
2.0006
115/16
31/2127/64
Part8994
cla153/64
No.
9325
mps
51/2 956-1622
33/4 53/4 956-1623
4 6 956-1624
41/4 61/4 956-1625
41/2 61/2 956-1626
43/4 63/4 956-1627
5 7 956-1628
51/4 71/4 956-1629
51/2 71/2 956-1630
53/4 73/4 956-1631
6 8 956-1632
61/2 81/2 956-1634
7 9 956-1636
71/2 91/2 956-1638
8 10 956-1640
81/2 101/2 956-1642
9 11 956-1644
91/2 111/2 956-1646
10 12 956-1648
101/2 121/2 956-1650
11 13 956-1652
12 14 956-1656
13 15 956-1660
14 16 956-1664
15 17 956-1668
16 18 956-167221/2
(2.503)
3 2.5009
2.5006
115/16
6143/64
Part8994
cla25/64
No.
9325
mps
8 956-2032
61/2 81/2 956-2034
7 9 956-2036
8 10 956-2040
9 11 956-2044
10 12 956-2048
11 13 956-2052
12 14 956-2056
15 17 956-2068
18 20 956-20803
(3.003)
31/2 3.0009
3.0006
27/16
51/2159/64
Part8994
cla221/64
No.
9325
mps
8 956-2432
6 81/2 956-2434
61/2 9 956-2436
71/2 10 956-2440
81/2 11 956-2444
91/2 12 956-2448
101/2 13 956-2452
111/2 14 956-2456
141/2 17 956-2468
171/2 20 956-2480

For Ball Bearing
Applications


13



SHOULDER
GUIDE POSTS

For Ball Bearing Applications



Mounting diameters of the Shoulder Guide
Posts are a minimum of .008" over the sizes of
Press Fit Steel Sleeve Bushings and .008" over
the Demountable Steel Bushings to allow grind
stock for precision fitting in new set construction
and to allow reboring as necessary in replacing
posts and bushings in used sets. These posts also
may be used with Press Fit Sleeve Bushings and
Demountable Bushings providing the through
bore size accords with mounting diameters.

The Shoulder Guide Posts are manufactured
from 52100 tool steel and precision ground. See
pages 15–17 for mounting instructions.

NOTE: The 953 Series product line is not stocked, but is
available as a special order.

Diameter
A B
Length
L C D
CatalogNumbers
1
(1.003)
1.725
41/213/8
3 953-0818
5 31/2 953-0820
51/2 4 953-0822
6 41/2 953-0824
61/2 5 953-0826
7 51/2 953-0828
71/2 6 953-0830
8 61/2 953-083211/4
(1.253)
2.115
517/8
3 953-1020
51/2 31/2 953-1022
6 4 953-1024
61/2 41/2 953-1026
7 5 953-1028
71/2 51/2 953-1030
8 6 953-1032
81/2 61/2 953-1034
9 7 953-103611/2
(1.503)
2.445
7
23/8
45/8 953-1228
71/2 51/8 953-1230
8 55/8 953-1232
81/2 61/8 953-1234
9 65/8 953-1236
91/2 71/8 953-1238
10 75/8 953-124013/4
(1.753)
2.755
71/227/8
45/8 953-1430
8 51/8 953-1432
81/2 55/8 953-1434
9 61/8 953-1436
91/2 65/8 953-1438
10 71/8 953-14402
(2.003)
3.170
8
33/8
45/8 953-1632
9 55/8 953-1636
10 65/8 953-1640
11 75/8 953-1644
12 85/8 953-1648
13 95/8 953-165221/2
(2.503)
3.690
9
37/8
51/8 953-2036
10 61/8 953-2040
11 71/8 953-2044
12 81/8 953-2048
13 91/8 953-2052
14 101/8 953-2056

14



BALL BEARING
ENGINEERING DATA

Boring Procedures and Dimensions


Holes for LEMPCO Ball Bearing Guide Posts
and Bushings should be jig bored for best results.
The punch holder and dieholder should be clamped
together and bored in one setup in order to maintain
dead center alignment between the upper and lower
bores. If it is not possible to bore in this manner, a
tolerance of ±.0005" between centers (see illustration)
must be held. Bores should be smooth and free from
tool marks to provide proper bearing area for the
guide post and bushing.

Dieholder bores must be perpendicular to that
surface of the dieholder which will back up the die.
The bottom surface of the dieholder must be parallel
to the die backup surface. The same holds true for
the punch holder: the bores must be perpendicular
to that surface which will back up the punches, and
the top surface parallel to the punch backup surface.

Break the corners of the bored holes to a generous
chamfer. On sets with a symmetrical profile one pin
and bushing should be offset to prevent accidental
reversing of the punch holder during assembly.

All LEMPCO Ball Bearing Guide Posts, Bushings
Retainers and Rotainers are completely interchangeable
without any necessity whatsoever for
select fitting of any kind, and if mounted in accordance
with boring and assembly instructions given on this
and the following page do not require any grinding,
honing, lapping, or any other modifications of any
kind. Please note the dimensions given in the
following table. Our experience over many years
proves that these are optimum dimensions. Variations
must be avoided.


BORE CHART BALL BEARING COMPONENTS (INCH)


Nominal
Guide
Post
Diameter
#951-SERIES
STRAIGHT
GUIDE PIN
(PRESS FIT)
#956-SERIES
DEMOUNTABLE
GUIDE PIN
(TAP FIT)
#953-SERIES
SHOULDER
GUIDE PIN
(PRESS FIT)
#961-SERIES
STRAIGHT
SLEEVE
BUSHING
(PRESS FIT)
#962-SERIES
STRAIGHT
SLEEVE
BUSHING
(TAP FIT)
BORE SIZE BORE SIZE BORE SIZE BORE SIZE BORE SIZE
3/4" .7513 +.000
–.001 N/A N/A 1.3858 +.000
–.001 N/A
1" 1.0013 +.000
–.001 1.0013 +.0000
–.0005
BORE HOLE
.0009" TO .0019"
SMALLER
THAN
SHOULDER
DIAMETER
OF GUIDE
1.7158 +.000
–.001 1.7158 +.0000
–.0005
11/4" 1.2513 +.000
–.001 1.2513 +.0000
–.0005 2.1058 +.000
–.001 2.1058 +.0000
–.0005
11/2" 1.5013 +.000
–.001 1.5013 +.0000
–.0005 2.4358 +.000
–.001 2.4358 +.0000
–.0005
13/4" 1.7513 +.000
–.001 1.7513 +.0000
–.0005 2.7458 +.000
–.001 2.7458 +.0000
–.0005
2" 2.0013 +.000
–.001 2.0013 +.0000
–.0005 3.1608 +.000
–.001 3.1608 +.0000
–.0005
21/2" 2.5013 +.000
–.001 2.5013 +.0000
–.0005 3.6808 +.000
–.001 3.6808 +.0000
–.0005
3" 3.0013 +.000
–.001 3.0013 +.0000
–.0005 N/A 4.1808 +.000
–.001 4.1808 +.0000
–.0005

15



BALL BEARING
ENGINEERING DATA


Installation and Assembly Instructions


In order to maintain the die and
punch alignment, it is essential that
the guide posts and bushings be
at absolute right angles with the
punch and die backup surfaces.

FIGURE 1 represents a typical
guide post and ROTAINER®. Please
note that the end of the guide post
with the small radius is press fit
into the punch shoe, and that the
ROTAINER® is assembled with the
ROTAINER® slide assembly toward
the same end of the guide post. On
the bushing, however, the end
with the large outside diameter
radius is press fit into the die shoe.

NOTE: LEMPCO Demountable Bushings
and Flanged Demountable Guide Posts are
tap fitted. Bores should be to specifications,
and both bushings and guide posts should
be seated flush to ground surface of support
shoe and held securely by clamps and cap
screws. These bushings and guide posts
are removable; on installation the die will
register accurately.

Check the squareness of the
guide post or bushing with a
precision square. Tap the sides
slightly with a soft hammer until
the guide post or bushing is
perpendicular.

Press fit about 1/4" and check
with the precision square again,
tapping the sides with a soft
hammer as necessary, to ensure
squareness. A bronze, babbitt or
fiber hammer is recommended.

NOTE: With Demountable Boss Bushings,
be sure to press against the hardened liner
and not against the casting.

Press fit by small increments
(not over 1/2" each) checking with
the precision square after each
press. Do not allow guide post or
bushing to protrude through the
lower side of the plate. It is
advisable to place a 1/64" shim under
the guide post or bushing as a stop.

For Demountable Boss
Bushings and Demountable
Bushings, after the bushing is tap
fit to the shoulder, the shoe may be
drilled with the bushing in place.
Tighten screws gradually, moving
from one to another until all are
tight.

After complete assembly of
the bushings, check the ID top and
bottom for taper. Should taper be
found, hone the ID until original
size is obtained.

Note: This should not be necessary if
boring instructions were strictly adhered to.

Assemble ROTAINER® to guide
post (FIGURE 1) by screwing the
set screw in until flush with special
ROTAINER® slide. Vertical and
rotational movement should now be
tested to insure freedom of movement.
After testing is completed,
stake set screw. Lubricate only
with a light spindle oil.

Note: The only tool necessary to assemble
the ROTAINER® is a screw driver.

Assemble punch and die holder.
Be sure to allow ROTAINERS® to
hang free (see FIGURE 2) supported
by the special ROTAINER® slide
when assembling die set. Work the
punch holder up and down a few
times to assure there is no binding.

Punch
Shoe
Small
Radius

Guide
Post

ROTAINER®
Bushing

Large Radius Die Shoe

FIGURE 1

FIGURE 2
Right Way Wrong Way Wrong Way
16



BALL BEARING
ENGINEERING DATA

General Die Set Design Procedures


SPECIFICATIONS:


1. Maximum Shut Height – See Figure 2, below. 2. Minimum Shut Height – See Figure 1.
3. Stroke – See Figures 2 and 3.
4. Maximum Open Height – See Figures 2 and 3.
A.
Lay out die as in Figure 1 (Minimum Shut Height). This determines maximum guide post
length and maximum bushing height.
B.
Lay out die as in Figure 2 (Maximum Shut Height).
C. Maximum Open Height (Maximum Shut Height plus Stroke) as in Figure 3 shows minimum
guide post engagement in bushing that is required. If this is at least 3/4" then conditions are
ideal. However, if this dimension is less than 3/4" then Figure 4 should be considered. Actual
work is done for only a fraction of the total stroke on most dies and if conditions shown in
Figure 4 are satisfied in conjunction with Figure 1 and Figure 2, then full length of stroke and
maximum open height can be disregarded.
ALSO NOTE, HOWEVER, THAT LONGER THAN NORMAL STROKES MAY BE UTILIZED BY
DISENGAGING GUIDE POST AND, IF ABSOLUTELY NECESSARY, THE ROTAINER® FROM
THE BUSHING ON THE UPWARD TRAVEL PROVIDED: 1 – THE OPERATION IS VERTICAL,
2 – THE OPERATION IS NOT FASTER THAN 150 STROKES PER MINUTE, AND 3 – THE INSIDE
DIAMETER OF THE BUSHING IS BELL MOUTHED MINIMUM 1/4".

ON INCLINED OPERATIONS, OR AT SPEEDS IN EXCESS OF 150 STROKES PER MINUTE, THE
GUIDE POST MUST ENGAGE THE BUSHING AT ALL TIMES AT LEAST 3/4" (THE ROTAINER®
MUST BE ENGAGED BY THE GUIDE POST AND BUSHINGS AT ALL TIMES).

17



LEMPCOLOY®
SELF-LUBRICATING BUSHINGS


Lempcoloy® is now available in standard and
short shoulder demountable bushings for use in die
set applications. This unique bearing material has a
hardness rating of 60-70 on the Rockwell C scale,
and offers exceptional wear resistance in addition
to being self-lubricating.

Although a light spindle oil is recommended at
start-up, Lempcoloy® can be used with absolutely
no lubrication in demanding applications. The
medical and food processing industries have used
Lempcoloy® for decades with exceptionally good
results.

Ten sizes of bushings are available, in both the
standard and short shoulder designs, with a range
of the inside diameter from .5 inches to 3 inches.

The Lempcoloy® demountable bushings work
well with 501 and 506 style plain bearing posts.
Additionally, custom bushings may be ordered in
sizes from a .5 inch to a 7 inch inside diameter with
lengths up to 14 inches.

18



LEMPCOLOY®
SELF-LUBRICATING BUSHINGS


Shoulder -Lempcoloy®

CatalogNumber
Inside Dia. AB C E F L
Radius
Nom. Dec. M N
608-0409 1/2 .502 .812 15/16 5/8 1 1/2 2 1/8 .697 1.010
608-0509 5/8 .627 1.000 1 3/16 5/8 1 1/2 2 1/8 13/16 1 1/8
608-0611 3/4 .752 1.125 1 5/16 7/8 1 3/4 2 5/8 7/8 1 3/16
608-0811 1 1.002 1.500 1 11/16 7/8 1 3/4 2 5/8 1 1/16 1 3/8
608-1013 1 1/4 1.252 1.750 1 15/16 1 1/8 2 3 1/8 1 7/32 1 17/32
608-1214 1 1/2 1.502 2.000 2 3/16 1 3/8 2 3 3/8 1 11/32 1 21/32
608-1414 1 3/4 1.752 2.250 2 1/2 1 3/8 2 3 3/8 1 1/2 1 13/16
608-1616 2 2.002 2.500 2 7/8 1 13/16 2 3 13/16 1 45/64 2 1/64
608-2018 2 1/2 2.502 3.250 3 5/8 1 13/16 2 1/2 4 5/16 2 5/64 2 25/64
608-2418 3 3.002 3.750 4 1/8 1 13/16 2 1/2 4 5/16 2 11/32 2 21/32

Short Shoulder -Lempcoloy®

CatalogNumber
Inside Dia. AB C E F L
Radius
Nom. Dec. M N
607-0406 1/2 .502 .812 15/16 5/8 13/16 1 7/16 .697 1.010
607-0506 5/8 .627 1.000 1 3/16 5/8 13/16 1 7/16 13/16 1 1/8
607-0607 3/4 .752 1.125 1 5/16 7/8 13/16 1 11/16 7/8 1 3/16
607-0807 1 1.002 1.500 1 11/16 7/8 13/16 1 11/16 1 1/16 1 3/8
607-1008 1 1/4 1.252 1.750 1 15/16 1 1/8 13/16 1 15/16 1 7/32 1 17/32
607-1209 1 1/2 1.502 2.000 2 3/16 1 3/8 13/16 2 3/16 1 11/32 1 21/32
607-1410 1 3/4 1.752 2.250 2 1/2 1 3/8 1 2 3/8 1 1/2 1 13/16
607-1612 2 2.002 2.500 2 7/8 1 13/16 1 2 13/16 1 45/64 2 1/64
607-2012 2 1/2 2.502 3.250 3 5/8 1 13/16 1 2 13/16 2 25/64 2 25/64
607-2412 3 3.002 3.750 4 1/8 1 13/16 1 2 13/16 2 11/32 2 21/32

Clamps for Assembly

Catalog
Number
Inside
Dia. A
Nom.
Number
of
Clamps
899-9025 1 2
899-9125 1 1/4 3
899-9125 1 1/2 3
899-9125 1 3/4 4
899-9125 2 4
899-9125 2 1/2 4
899-9125 3 4

19



PRECISION
DEMOUNTABLE BUSHINGS


For Plain Bearing Applications



LEMPCO Precision Demountable Bushings include the Steel
Shoulder, Steel Short Shoulder, Steel Extra Long Shoulder types, and
the Bronze Shoulder and Bronze Plated Shoulder and Short Shoulder
types. The Bronze Plated bushings are described on page 22.

All LEMPCO Demountable Bushings are designed for tap fitting.
They should not be pressed in. They will not require select fitting,
honing or modification of any kind if mounted in accordance with
instructions on page 30 of this catalog.

SHOULDER – Steel

SHOULDER – Steel


Inside Dia.
A B C E F L
Radius Catalog
NumberM NNom. Dec.
1 1.002 1.500 111/16
7/8 13/4 25/8 11/16 13/8 664-0811
11/4 1.252 1.750 115/16 11/8 2 31/8 17/32 117/32 664-1013
11/2 1.502 2.000 23/16 13/8 2 33/8 111/32 121/32 664-1214
13/4 1.752 2.250 21/2 13/8 2 33/8 11/2 113/16 664-1414
2 2.002 2.500 27/8 113/16 2 313/16 145/64 21/64 664-1616
21/2 2.502 3.250 35/8 113/16 21/2 45/16 25/64 225/64 664-2018
3 3.002 3.750 41/8 113/16 21/2 45/16 211/32 221/32 664-2418

SHORT SHOULDER – Steel

EXTRA LONG SHOULDER – Steel

EXTRA LONG SHOULDER – Steel
Inside Dia.
A B C E F L
Radius Catalog
NumberM NNom. Dec.
1 1.002 1.500 111/16
7/8 3 37/8 11/16 13/8 655-0816
11/4 1.252 1.750 115/16 11/8 3 41/8 17/32 117/32 655-1017
11/2 1.502 2.000 23/16 13/8 3 43/8 111/32 121/32 655-1218
13/4 1.752 2.250 21/2 13/8 3 43/8 11/2 113/16 655-1418
2 2.002 2.500 27/8 113/16 31/2 55/16 145/64 21/64 655-1622
21/2 2.502 3.250 35/8 113/16 31/2 55/16 25/64 225/64 655-2022
3 3.002 3.750 41/8 115/16 31/2 57/16 211/32 221/32 655-2422

SHOULDER – Bronze
20



PRECISION
DEMOUNTABLE BUSHINGS


For Plain Bearing Applications


SHOULDER – Bronze

Inside Dia.
A B C E F L
Radius CatalogNumberM NNom. Dec.
1 1.002 1.500 111/16
7/8 13/4 25/8 11/16 13/8 648-0811
11/4 1.252 1.750 115/16 11/8 2 31/8 17/32 117/32 648-1013
11/2 1.502 2.000 23/16 13/8 2 33/8 111/32 121/32 648-1214
13/4 1.752 2.250 21/2 13/8 2 33/8 11/2 113/16 648-1414
2 2.002 2.500 27/8 113/16 2 313/16 145/64 21/64 648-1616
21/2 2.502 3.250 35/8 113/16 21/2 45/16 25/64 225/64 648-2018
3 3.002 3.750 41/8 113/16 21/2 45/16 211/32 221/32 648-2418

SHORT SHOULDER – Steel

Inside Dia.
A B C E F L
Radius Catalog
NumberM NNom. Dec.
1 1.002 1.500 111/16
7/8
13/16 111/16 11/16 13/8 663-0807
11/4 1.252 1.750 115/16 11/8
13/16 115/16 17/32 117/32 663-1008
11/2 1.502 2.000 23/16 13/8
13/16 23/16 111/32 121/32 663-1209
13/4 1.752 2.250 21/2 13/8 1 23/8 11/2 113/16 663-1410
2 2.002 2.500 27/8 113/16 1 213/16 145/64 21/64 663-1612
21/2 2.502 3.250 35/8 113/16 1 213/16 25/64 225/64 663-2012
3 3.002 3.750 41/8 113/16 1 213/16 211/32 221/32 663-2412


CLAMPS FOR ASSEMBLY


Inside Dia. A Number
ClampsNom. Clamp No.
1/2 to 1 899-9025 2
11/4 to 11/2` 899-9125 3
13/4 to 3 899-9125 4

NOTE:
The “C” dimension measurement
is from the outside edge of the
flange to the opposite outside edge.

21



PRECISION BRONZE-PLATED
DEMOUNTABLE BUSHINGS

For Plain Bearing Applications


*11/4" on 21/2 and 3"
diameter bushings


LEMPCO Precision Bronze Plated Demountable Bushings are
designed for use under high speed operating conditions. They are
intended for tap fitting, to be held securely with clamps and cap screws.

These bushings must not be pressed in and must not be
honed.

See page 30 for mounting instructions.

Clamps and screws are provided with bushings, from two to four
sets per bushing, depending on diameter.

SHOULDER – Bronze Plated

Inside Dia.
A B C E F L
Radius Catalog
NumberM NNom. Dec.
1 1.002 1.500 13/4
7/8 11/4 21/8 1.072 1.385 624-0809
11/4 1.252 1.750 21/16 11/8 11/2 25/8 1.281 1.703 624-1011
11/2 1.502 2.000 25/16 13/8 11/2 27/8 1.411 1.833 624-1212
13/4 1.752 2.250 25/8 15/8 11/2 31/8 1.567 1.989 624-1413
2 2.002 2.500 31/32 17/8 11/2 33/8 1.782 2.204 624-1614
21/2 2.502 3.000 35/8 17/8 2 37/8 2.086 2.508 624-2016
3 3.002 3.625 43/8 17/8 2 37/8 2.468 2.889 624-2416

SHORT SHOULDER – Bronze Plated

Inside Dia.
A B C E F L
Radius Catalog
NumberM NNom. Dec.
1 1.002 1.500 13/4 13/8
1/2 17/8 1.082 1.395 623-0808
11/4 1.252 1.750 21/16 17/8
1/2 23/8 1.286 1.708 623-1010
11/2 1.502 2.000 25/16 17/8
1/2 23/8 1.411 1.833 623-1210
13/4 1.752 2.250 25/8 23/8
1/2 27/8 1.567 1.989 623-1412
2 2.002 2.500 215/16 23/8
1/2 27/8 1.734 2.156 623-1612
21/2 2.502 3.000 33/8 25/8
3/8 3 1.959 2.381 623-2012
3 3.002 3.500 37/8 35/8
3/8 4 2.214 2.636 623-2416

NOTE:
The “C” dimension measurement
is from the outside edge of the
flange to the opposite outside edge.

22


PRECISION
PRESS FIT BUSHINGS


Precision Press Fit Bushings for LEMPCO plain bearing assemblies
are offered in five designs: the Steel Shoulder, Short Shoulder, Short
Sleeve, Extra Long Sleeve and Bronze Shoulder Bushings.

Since all of these bushings are designed for press fitting, a
nominal allowance is provided on the inside diameter for honing after
assembly. Mounting instructions on page 30 of this catalog should
be strictly followed.

SHOULDER
SHOULDER – Steel or Bronze Bronze

For Plain Bearing Applications
Inside Dia.
A B C E F L
Catalog
Numbers
Steel
Catalog
Numbers
BronzeNom. Dec.
1/2 .502 .815 15/16
5/8 11/2 21/8 662-0409 644-0409
5/8 .627 1.002 13/16
5/8 11/2 21/8 662-0509 644-0509
3/4 .752 1.127 15/16
7/8 13/4 25/8 662-0611 644-0611
1 1.002 1.502 111/16
7/8 13/4 25/8 662-0811 644-0811
11/4 1.252 1.752 115/16 11/8 2 31/8 662-1013 644-1013
11/2 1.502 2.002 23/16 13/8 2 33/8 662-1214 644-1214
13/4 1.752 2.252 21/2 13/8 2 33/8 662-1414 644-1414
2 2.002 2.502 27/8 113/16 2 313/16 662-1616 644-1616
21/2 2.502 3.252 35/8 113/16 21/2 45/16 662-2018 644-2018
3 3.002 3.752 41/8 113/16 21/2 45/16 662-2418 644-2418

SHORT SHOULDER – Steel

Inside Dia.
A B C E F L CatalogNumbers
Nom. Dec.
1/2 .502 .815 15/16
5/8
13/16 17/16 661-0406
5/8 .627 1.002 13/16
5/8
13/16 17/16 661-0506
3/4 .752 1.127 15/16
7/8
13/16 111/16 661-0607
1 1.002 1.502 111/16
7/8
13/16 111/16 661-0807
11/4 1.252 1.752 115/16 11/8
13/16 115/16 661-1008
11/2 1.502 2.002 23/16 13/8
13/16 23/16 661-1209
13/4 1.752 2.252 21/2 13/8 1 23/8 661-1410
2 2.002 2.502 27/8 113/16 1 213/16 661-1612
21/2 2.502 3.252 35/8 113/16 1 213/16 661-2012
3 3.002 3.752 41/8 113/16 1 213/16 661-2412

SHORT SLEEVE or EXTRA LONG SLEEVE – Steel

Inside Dia.
A B
L Catalog Numbers
Short
Sleeve
Ex. Lg.
Sleeve
Short
Sleeve
Ex. Lg.
SleeveNom. Dec.
1/2 .502 .815 11/2 3 601-0406 603-0412
5/8 .627 1.002 11/2 3 601-0506 603-0512
3/4 .752 1.127 13/4 3 601-0607 603-0612
1 1.002 1.502 13/4 3 601-0807 603-0812
11/4 1.252 1.752 2 3 601-1008 603-1012
11/2 1.502 2.002 2 3 601-1208 603-1212
13/4 1.752 2.252 — 3 — 603-1412
2 2.002 2.502 — 3 — 603-1612
21/2 2.502 3.252 — 3 — 603-2012

SHOULDER
Steel
SHORT SHOULDER
Steel
EXTRA LONG SLEEVE
Steel
SHORT SLEEVE
Steel

23


SHOULDER
GUIDE POST BUSHINGS

For Plain Bearing Applications


SHOULDER – Bronze


Bronze Shoulder bushings may be either tap or press fitted.
When tap fitted, these bushings will not require select fitting,
honing or other modification if mounting instructions on page 30
are strictly followed.

Bronze Plated Shoulder Bushings are for demountable use
only, consequently must be tap fitted. Instructions on page 30
should be strictly followed.

These bushings should not be pressed in and must not
be honed.

Mounting diameter lead edge should be smoothly blended
after grinding to prevent broaching of bore or drift component
during assembly.


SHORT SHOULDER – Steel

SHORT SHOULDER –
Bronze Plated



Inside Dia.
A B C E F L
Radius Catalog
NumberM NNom. Dec.
1 1.002 1.509 111/16
7/8
13/16 111/16 11/16 13/8 625-0807
11/4 1.252 1.759 115/16 11/8
13/16 115/16 17/32 117/32 625-1008
11/2 1.502 2.009 23/16 13/8
13/16 23/16 111/32 121/32 625-1209
13/4 1.752 2.259 21/2 13/8 1 23/8 11/2 113/16 625-1410
2 2.002 2.509 27/8 113/16 1 213/16 145/64 21/64 625-1612
21/2 2.502 3.259 35/8 113/16 1 213/16 25/64 225/64 625-2012

SHORT SHOULDER – Bronze Plated

SHOULDER – Steel

Inside Dia.
A B C E F L
Radius CatalogNumberM NNom. Dec.
1 1.002 1.509 13/4 13/8
1/2 17/8 11/16 13/8 621-0808
11/4 1.252 1.759 21/16 17/8
1/2 23/8 17/32 117/32 621-1010
11/2 1.502 2.009 25/16 17/8
1/2 23/8 111/32 121/32 621-1210
13/4 1.752 2.259 25/8 23/8
1/2 27/8 11/2 113/16 621-1412
2 2.002 2.509 215/16 23/8
1/2 27/8 143/64 161/64 621-1612
21/2 2.502 3.009 33/8 25/8
3/8 3 157/64 211/64 621-2012

24



SHOULDER
GUIDE POST BUSHINGS

For Plain Bearing Applications



SHOULDER – Steel

CLAMPS FOR TAP FITTING

Inside Dia.
A B C E F L
Radius CatalogNumberM NNom. Dec.
1 1.002 1.509 111/16
7/8 13/4 25/8 11/16 13/8 626-0811
11/4 1.252 1.759 115/16 11/8 2 31/8 17/32 117/32 626-1013
11/2 1.502 2.009 23/16 13/8 2 33/8 111/32 121/32 626-1214
13/4 1.752 2.259 21/2 13/8 2 33/8 11/2 113/16 626-1414
2 2.002 2.509 27/8 113/16 2 313/16 145/64 21/64 626-1616
21/2 2.502 3.259 35/8 113/16 21/2 45/16 25/64 225/64 626-2018

Inside Dia. A Number
ClampsNom. Clamp No.
1 899-9025 2
11/4 899-9125 3
11/2 899-9125 3
13/4 899-9125 4
2 899-9125 4
21/2 899-9125 4

SHOULDER – Bronze

Inside Dia.
A B C E F L
Radius Catalog
NumberM NNom. Dec.
1 1.002 1.509 111/16
7/8 13/4 25/8 11/16 13/8 629-0811
11/4 1.252 1.759 115/16 11/8 2 31/8 17/32 117/32 629-1013
11/2 1.502 2.009 23/16 13/8 2 33/8 111/32 121/32 629-1214
13/4 1.752 2.259 21/2 13/8 2 33/8 11/2 113/16 629-1414
2 2.002 2.509 27/8 113/16 2 313/16 145/64 21/64 629-1616
21/2 2.502 3.259 35/8 113/16 21/2 45/16 25/64 225/64 629-2018

NOTE:
The “C” dimension measurement
is from the outside edge of the
flange to the opposite outside edge.

SHOULDER – Bronze Plated

Inside Dia.
A B C E F L
Radius CatalogNumberM NNom. Dec.
1 1.002 1.509 13/4
7/8 11/4 21/8 11/16 13/8 622-0809
11/4 1.252 1.759 21/16 11/8 11/2 25/8 17/32 117/32 622-1011
11/2 1.502 2.009 25/16 13/8 11/2 27/8 111/32 121/32 622-1212
13/4 1.752 2.259 25/8 15/8 11/2 31/8 11/2 113/16 622-1413
2 2.002 2.509 31/32 17/8 11/2 33/8 145/64 21/64 622-1614
21/2 2.502 3.009 35/8 17/8 2 37/8 21/32 25/16 622-2016

25



FLANGED DEMOUNTABLE
GUIDE POSTS

For Plain Bearing Applications



The LEMPCO Flanged Demountable
Guide Post for plain bearing assemblies
is precision ground for longest wear with
all LEMPCO plain bearing bushings, steel,
bronze, bronze-plated, precision grade.

This removable type post is tap fit
into the dieholder bore with the flange
flush to the ground surface of the shoe.
It is secured with clamps and cap screws.
It may be removed, and on reinstallation,
the die set will register accurately. The
end radius is ground with the tool marks
running in the direction of vertical motion
to minimize wear from engagement and
disengagement.

Diameter
CatalogNumber
Post
A
Flange
B C E F
Radius
LM N
1
(1.002)
15/16 1.0009
1.0005
13/16
23/413/16
Part8993
cla11/8
No.
9225
mps
4 506-0816
3 41/4 506-0817
31/4 41/2 506-0818
31/2 43/4 506-0819
33/4 5 506-0820
4 51/4 506-0821
41/4 51/2 506-0822
41/2 53/4 506-0823
43/4 6 506-0824
51/4 61/2 506-0826
53/4 7 506-0828
61/4 71/2 506-0830
63/4 8 506-0832
71/4 81/2 506-0834
73/4 9 506-083611/4
(1.252)
19/16 1.2509
1.2506
13/16
31/463/64
Part8993
cla125/64
No.
9325
mps
41/2 506-1018
31/2 43/4 506-1019
33/4 5 506-1020
4 51/4 506-1021
41/4 51/2 506-1022
41/2 53/4 506-1023
43/4 6 506-1024
51/4 61/2 506-1026
53/4 7 506-1028
61/4 71/2 506-1030
63/4 8 506-1032
71/4 81/2 506-1034
73/4 9 506-1036
83/4 10 506-1040
93/4 11 506-1044
103/4 12 506-104811/2
(1.502)
17/8 1.5009
1.5006
17/16
311/8
Part8993
cla117/32
No.
9325
mps
41/2 506-1218
31/4 43/4 506-1219
31/2 5 506-1220
33/4 51/4 506-1221
4 51/2 506-1222
41/4 53/4 506-1223
41/2 6 506-1224
5 61/2 506-1226
51/2 7 506-1228
6 71/2 506-1230
61/2 8 506-1232
7 81/2 506-1234
71/2 9 506-1236
81/2 10 506-1240
91/2 11 506-1244
101/2 12 506-1248

26



FLANGED DEMOUNTABLE
GUIDE POSTS


For Plain Bearing Applications


Diameter
CatalogNumber
Post
A
Flange
B C E F
Radius
LM N
13/4
(1.752)
21/4 1.7509
1.7506
111/16
41/4119/64
4 clamps
Part899145/
64
No.
9325
6 506-1424
43/4 61/2 506-1426
51/4 7 506-1428
53/4 71/2 506-1430
61/4 8 506-1432
63/4 81/2 506-1434
71/4 9 506-1436
81/4 10 506-1440
91/4 11 506-1444
101/4 12 506-1448
121/4 14 506-14562
(2.002)
21/2 2.0009
2.0006
115/16
4127/64
4 clamps
Part899153/
64
No.
9325
6 506-1624
41/2 61/2 506-1626
5 7 506-1628
51/2 71/2 506-1630
6 8 506-1632
61/2 81/2 506-1634
7 9 506-1636
8 10 506-1640
9 11 506-1644
10 12 506-1648
11 13 506-1652
12 14 506-1656
15 17 506-1668
18 20 506-168021/2
(2.502)
3 2.5009
2.5006
115/16
6143/64
4 clamps
Part89925/
64
No.
9325
8 506-2032
61/2 81/2 506-2034
7 9 506-2036
8 10 506-2040
9 11 506-2044
10 12 506-2048
11 13 506-2052
12 14 506-2056
15 17 506-2068
18 20 506-20803
(3.002)
31/2 3.0009
3.0006
27/16
51/2159/64
4 clamps
Part899221/
64
No.
9325
8 506-2432
6 81/2 506-2434
61/2 9 506-2436
71/2 10 506-2440
81/2 11 506-2444
91/2 12 506-2448
101/2 13 506-2452
111/2 14 506-2456
141/2 17 506-2468
171/2 20 506-2480


27



SHOULDER
GUIDE POSTS

For Plain Bearing Applications



Shoulder Guide Posts are intended for use with
Shoulder Guide Post Bushings and therefore the
mounting diameters of the posts are the same as
those of related bushings on the preceding page.
These mounting diameters are a minimum of .007"
over the size of Precision Press Fit Bushings and
.009" over Precision Demountable Bushings so
as to allow grind stock for precision fitting in the
construction of new sets and to allow reboring
where necessary to replace guide posts and bushings
in used sets.

LEMPCO Shoulder Guide Posts are precision
ground. Mounting instructions on page 30 of this
catalog should be strictly followed. The mounting
diameter lead edge should be smoothly blended
after grinding to prevent hole broaching or drift during
assembly.

Diameter
A B
Length
L C D
CatalogNumbers
1
(1.002)
1.509
41/213/8
3 503-0818
5 31/2 503-0820
51/2 4 503-0822
6 41/2 503-0824
61/2 5 503-0826
7 51/2 503-0828
71/2 6 503-0830
8 61/2 503-083211/4
(1.252)
1.759
517/8
3 503-1020
51/2 31/2 503-1022
6 4 503-1024
61/2 41/2 503-1026
7 5 503-1028
71/2 51/2 503-1030
8 6 503-1032
81/2 61/2 503-1034
9 7 503-103611/2
(1.502)
2.009
7
23/8
45/8 503-1228
71/2 51/8 503-1230
8 55/8 503-1232
81/2 61/8 503-1234
9 65/8 503-1236
91/2 71/8 503-1238
10 75/8 503-124013/4
(1.752)
2.259
71/227/8
45/8 503-1430
8 51/8 503-1432
81/2 55/8 503-1434
9 61/8 503-1436
91/2 65/8 503-1438
10 71/8 503-14402
(2.002)
2.509
8
33/8
45/8 503-1632
9 55/8 503-1636
10 65/8 503-1640
11 75/8 503-1644
12 85/8 503-1648
13 95/8 503-165221/2
(2.502)
3.259
9
37/8
51/8 503-2036
10 61/8 503-2040
11 71/8 503-2044
12 81/8 503-2048
13 91/8 503-2052
14 101/8 503-2056

NOTE:
The 503 Series product line is not stocked, but is
available as a special order.

28


STRAIGHT
GUIDE POSTS


For Plain Bearing Applications


LEMPCO’s “501” series Plain Bearing Guide Posts
are precision ground.

Post
Diameter
A
Length
L
CatalogNumbers
Post
Diameter
A
Length
L
CatalogNumbers
Post
Diameter
A
Length
L
CatalogNumbers
1/2
(.502)
31/2 501-0414
11/4
(1.252)
41/2 501-101813/4
(1.752)
10 501-1440
4 501-0416 43/4 501-101911 501-1444
41/4 501-0417 5 501-102012 501-1448
41/2 501-0418 51/4 501-102114 501-145643/4 501-0419 51/2 501-10222
(2.002)
6 501-16245 501-0420 53/4 501-1023 61/2 501-162651/4 501-0421 6 501-1024 7 501-162851/2 501-0422 61/2 501-1026 71/2 501-16305/8
(.627)
4 501-0516 7 501-1028 8 501-163241/4 501-0517 71/2 501-1030 81/2 501-163441/2 501-0518 8 501-1032 9 501-1636
43/4 501-0519 81/2 501-103410 501-1640
5 501-0520 9 501-1036 11 501-1644
51/2 501-0522 10 501-1040 12 501-1648
6 501-0524 11 501-1044 13 501-1652
3/4
(.752)
4 501-0616 12 501-104814 501-1656
41/4 501-0617
11/2
(1.502)
41/2 501-121817 501-1668
41/2 501-0618 43/4 501-121920 501-168043/4 501-0619 5 501-122021/2
(2.502)
8 501-20325 501-0620 51/4 501-1221 81/2 501-20346 501-0624 51/2 501-1222 9 501-2036
1
(1.002)
4 501-0816 53/4 501-122310 501-2040
41/4 501-0817 6 501-122411 501-2044
41/2 501-0818 61/2 501-122612 501-2048
43/4 501-0819 7 501-122813 501-2052
5 501-0820 71/2 501-123014 501-2056
51/4 501-0821 8 501-123217 501-2068
51/2 501-0822 81/2 501-123420 501-208053/4 501-0823 9 501-1236
3
(3.002)
8 501-24326 501-0824 10 501-1240 81/2 501-243461/2 501-0826 11 501-1244 9 501-2436
7 501-0828 12 501-124810 501-2440
71/2 501-083013/4
(1.752)
6 501-142411 501-2444
8 501-0832 61/2 501-142612 501-2448
81/2 501-0834 7 501-142813 501-2452
9 501-0836 71/2 501-143014 501-2456
10 501-0840 8 501-143217 501-2468
11 501-0844 81/2 501-143420 501-248012 501-0848 9 501-1436


29



PLAIN BEARING
ENGINEERING DATA


Boring Procedures and Dimensions


Holes for LEMPCO Plain Bearing Guide Posts and Bushings
should be jig bored for best results. The punch holder and dieholder
should be clamped together and bored in one set up to maintain dead
center alignment between upper and lower bores. If this is not possible,
a tolerance of ±.0005" between centers must be held. Bores should
be smooth and free from tool marks to provide proper bearing area
for the guide post or bushing. Dieholder bores must be perpendicular
to that surface which will back up the die. The bottom surface of the
die holder must be parallel to the die backup surface. The punch
holder bores must be perpendicular to the surface that will back up
the punches, and the top surface parallel to the punch backup surface.

Break the corners of the bored holes to a generous chamfer. On
sets with a symmetrical profile one pin and bushing should be offset
to prevent accidental reversing of the punch holder during assembly.

All LEMPCO Plain Bearing Guide Posts and Bushings are interchangeable
without select fitting, and when mounted in accordance
with the instructions and bore sizes given, do not require honing for
fits except in the case of press fit mounted bushings. Please note the
dimensions given in the tables. Experience proves that these are
optimum dimensions and variations may cause trouble.

BORE CHART PLAIN BEARING COMPONENTS (INCH)


BORE CHART
PLAIN BEARING COMPONENTS (INCH)


Nominal
Guide
Post
Diameter
#623-SERIES
DEMOUNTABLE
SHORT SHOULDER
BUSHING
(TAP FIT)
#624-SERIES
DEMOUNTABLE
SHOULDER
BUSHING
(TAP FIT)
BORE SIZE BORE SIZE
1" 1.5000+.0004
–.0000 1.5000 +.0004
–.0000
11/4" 1.7500 +.0004
–.0000 1.7500 +.0004
–.0000
11/2" 2.0000 +.0004
–.0000 2.0000 +.0004
–.0000
13/4" 2.2500 +.0004
–.0000 2.2500 +.0004
–.0000
2" 2.5000 +.0004
–.0000 2.5000 +.0004
–.0000
21/2" 3.0000 +.0004
–.0000 3.0000 +.0004
–.0000
3" 3.5000
+.0004
–.0000 3.6250
+.0004
–.0000

Nominal
Guide
Post
Diameter
#501-SERIES
STRAIGHT
GUIDE PIN
(PRESS FIT)
#506-SERIES
DEMOUNTABLE
GUIDE PIN
(TAP FIT)
#503-SERIES
SHOULDER
GUIDE PIN
(PRESS FIT)
#601-SERIES
#603-SERIES
STRAIGHT STEEL
SLEEVE
BUSHING
(PRESS FIT)
#644-SERIES
#661-SERIES
#662-SERIES
PRESS FIT STYLE
SHOULDER
BUSHING
(PRESS FIT)
#648-SERIES
#655-SERIES
#663-SERIES
#664-SERIES
DEMOUNTABLE
STYLE SHOULDER
BUSHING
(TAP FIT)
BORE SIZE BORE SIZE BORE SIZE BORE SIZE BORE SIZE BORE SIZE
1/2" .5000 +.0006
–.0004 N/A N/A .8125 +.0004
–.0000 .8125 +.0004
–.0000 .8125 +.0004
–.0000
5/8" .6250 +.0006
–.0004 N/A N/A 1.0000 +.0004
–.0000 1.0000 +.0004
–.0000 1.0000 +.0004
–.0000
3/4" .7500 +.0006
–.0004 N/A N/A 1.1250 +.0004
–.0000 1.1250 +.0004
–.0000 1.1250 +.0004
–.0000
1" 1.0000 +.0006
–.0004 1.0013 +.0000
–.0005
BORE HOLE
.0012" TO .0018"
SMALLER THAN
SHOULDER
DIAMETER
OF GUIDE PIN
1.5000 +.0004
–.0000 1.5000 +.0004
–.0000 1.5000 +.0004
–.0000
11/4" 1.2500 +.0006
–.0004 1.2513 +.0000
–.0005 1.7500 +.0004
–.0000 1.7500 +.0004
–.0000 1.7500 +.0004
–.0000
11/2" 1.5000 +.0006
–.0004 1.5013 +.0000
–.0005 2.0000 +.0004
–.0000 2.0000 +.0004
–.0000 2.0000 +.0004
–.0000
13/4" 1.7500 +.0006
–.0004 1.7513 +.0000
–.0005
BORE HOLE
.0015" TO .0022"
SMALLER THAN
SHOULDER
DIAMETER
OF GUIDE PIN
2.2500 +.0004
–.0000 2.2500 +.0004
–.0000 2.2500 +.0004
–.0000
2" 2.0000 +.0006
–.0004 2.0013 +.0000
–.0005 2.5000 +.0004
–.0000 2.5000 +.0004
–.0000 2.5000 +.0004
–.0000
21/2" 2.5000 +.0006
–.0004 2.5013 +.0000
–.0005 3.2500 +.0004
–.0000 3.2500 +.0004
–.0000 3.2500 +.0004
–.0000
3" 3.0000 +.0006
–.0004 3.0013 +.0000
–.0005 N/A N/A 3.7500 +.0004
–.0000 3.7500 +.0004
–.0000

30



NOTES


31



NOTES


32



Die Set Components – INCH



The LEMPCO Value Proposition


LEMPCO is a recognized leader in providing quality ball bearing components:
1.
Rotainer® designed ball cage that minimizes tracking.
2.
Precision Rotainer® and retainer that provides accuracy and repeatability
in high speed applications.
3.
Quality pins and bushings are made from 52100 tool steel and are precision ground.

LEMPCO offers high quality die sets with either ball bearing or plain bearing components.
Pins and bushings are manufactured using high quality steel and are precision ground.

LEMPCO has a strong distribution network with over 250 distributors located around the
world to service our valued customers.

LEMPCO’s manufacturing capabilities allow larger size die sets to be offered (240 in. by
120 in.) and complex machining to be available with exceptional deliveries.
QUALITY .. DEPENDABILITY .. SERVICE
SINCE 1918
THE GLOBAL STANDARD WITH DISTRIBUTORS WORLDWIDE


Quality, precision and dependability
are the requirements of today’s production processes–
from ultra-high-speed stamping technology
to computer-driven CNC manufacturing.


LEMPCO designs its components in order to provide you with precision and
cost-effective performance... run after run. We have the proven experience
in the selection of metals, developing designs and understanding the details
of your needs.


LEMPCO KNOWS WHAT IT TAKES TO KEEP YOUR DIES RUNNING
AND WE KNOW HOW TO DELIVER IT.



Die Set
Components


– INCH –

Distributed by:


6779 Engle Road Suite A-F
Cleveland, OH 44130-7926

WITHIN THE USA & CANADA
CALL: 800-321-8632
FAX: 800-221-6310


OUTSIDE THE USA & CANADA
CALL: 001-248-489-7816
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Agent for Universal Die & Stampings

          
Universal Die & Stampings