
MOUNTED BALL BEARINGS
ER Series Style “A” Extended Inner Ring Bearing Assemblies...Setscrew Locking
SHAFT
DIAM.
IN MM
1/2 ER-8
9/16 ER-9
5/8 ER-10 47MM
11/16 ER-11 1.8504 1 7/32 13/32 13/16 31/64 1 3/16 11/64 3/64 3/32 3/16 5/8 1 5/8 .040 .094 2 1/16 .5 6
3/4 ER-12
7/8 ER-14
15/16 ER-15 52MM
1 ER-16 2.0472 1 3/8 33/64 55/64 39/64 1 3/8 13/64 3/64 3/32 7/32 3/4 1 55/64 .040 .135 2 17/64 .68
1 1/16 ER-17
1 1/8 ER-18 62MM
1 3/16 ER-19 2.4409 1 1/2 5/8 7/8 11/16 1 19/32 7/32 1/16 1/8 7/32 7/8 2 5/32 .040 .188 2 21/32 .93
1 1/4 ER-20R
1 1/4 ER-20
1 5/16 ER-21 72MM
1 3/8 ER-22 2.8346 1 11/16 11/16 1 3/4 1 55/64 7/32 1/16 1/8 1/4 15/16 2 17/32 .040 .219 3 5/64 1.37
1 7/16 ER-23
1 1/2 ER-24 80MM
1 9/16 ER-25 3.1496 1 15/16 3/ 4 1 3/16 29/32 2 1/16 1/4 1/16 1/8 5/16 1 3/32 2 53/64 .062 .203 3 13/32 2.00
1 5/8 ER-26
1 11/16 ER-27 85MM
1 3/4 ER-28 3.3465 1 15/16 3/ 4 1 3/16 29/32 2 19/64 1/4 1/16 1/8 5/16 1 3/32 3 1/16 .062 .203 3 19/32 2.31
1 13/16 ER-29
1 7/8 ER-30 90MM
1 15/16 ER-31 3.5433 2 1/32 3/4 1 9/32 29/32 2 15/32 19/64 3/32 1/8 3/8 1 1/8 3 7/32 .062 .188 3 25/32 2.43
2 ER-32R
2 ER-32
2 1/8 ER-34 100MM
2 3/16 ER-35 3.9370 2 3/16 7/8 1 5/16 31/32 2 23/32 19/64 3/32 1/8 3/8 1 3/16 3 9/16 .080 .281 4 3/16 3.00
2 1/4 ER-36
2 3/8 ER-38 110MM
2 7/16 ER-39 4.3307 2 9/16 1 1 9/16 1 1/32 2 63/64 19/64 3/32 1/8 7/16 1 1/4 3 29/32 .080 .375 4 19/32 4.00
2 1/2 ER-40
2 11/16 ER-43 125MM 2 3/4 1 1/16 1 11/16 1 7/64 3 7/16 5/16 7/64 5/32 7/16 1 3/ 8 4 7/16 .080 .375 5 9/32 5.56
2 7/8 ER-46
2 15/16 ER-47 130MM 3 1/16 1 5/16 1 3/4 1 15/64 3 41/64 3/8 7/64 5/32 7/16 1 1/2 4 5/8 .080 .563 5 1 /2 6.37
3 ER-48
3 3/16 ER-51 140MM 3 1/4 1 5/16 1 15/16 1 25/64 3 59/64 7/16 7/64 3/16 17/32 1 11/16 4 63/64 .120 .469 5 7/8 7.85
3 1/4 ER-52
3 3/8 ER-54 150MM 3 3/8 1 11/32 2 1/32 1 41/64 4 5/32 7/16 7/64 3/16 15/32 1 15/16 5 19/64 .120 .375 6 9/32 9.50
3 7/16 ER-55 5.9055
3 15/16 ER-63 190MM
4 ER-64 7.4803 4 5/8 1 15/16 2 11/16 2 5/32 5 11/64 11/16 1 / 8 7/32 3 / 4 2 1/2 6 21/32 .120 .688 8 22.0
BRG.
NO.
20 ER-204
25 ER-205
30 ER-206
35 ER-207
40 ER-208
45 ER-209
50 ER-210
55 ER-211
60 ER-212
70 ER-214 4.9213
75 ER-215 5.1181
80 ER-216 5.5118
A B C D E F G H J K M N RAD O P
For Load Ratings, see page 45.
See page 75 for Table on guide for matching housings using the "ER" style "A" Extended Inner Ring Bearing.
Felt seal standard. For contact seal add suffix "C" ER-16C.
Dimensions in Inches
UNIT
WT.
41