ABIS Miniature and Precision Ball Bearings
With bores of 0.6 to 90mm and precision grades to ABEC 7
Inch/Metric Bearing *
Tolerance *
Type *
Inch series
Bore
Ø
(d)
Outer
(D)
Open Width (B)
Open Flange Width (Bf)
Radius (rs - min)
Open
Part No
Load Rating Cr(N)
Load Rating Cor(N)
Max Speed Grease (x1000 rpm)
Max Speed Oil (x1000 rpm)
Cage Type
0.04
0.125
0.0469
0.013
0.0039
R09
106
28
130
150
W
0.1562
0.0625
R0*
112
33
110
0.055
0.1875
0.0781
0.023
R1*
232
67
90
0.25
0.0937
R1-4*
284
96
80
0.018
R133
189
60
95
0.3125
0.1094
0.0059
R1-5*
552
176
71
R144J*
311
J
R144*
R2-5*
558
180
W/J
0.375
R2-6*
640
227
53
63
0.03
0.0118
R2*
631
219
56
0.5
0.1719
R2A
R155*
359
R156*
R166*
709
272
50
R3*
1301
488
43
0.625
0.196
R3A
1480
621
38
45
R168*
373
172
48
R188*
1082
442
40
0.042
R4*
0.75
0.2188
0.0157
R4A
2336
896
36
0.031
R1810*
542
276
0.875
0.062
R6
3332
1411
32
1.125
R8
5108
2413
27
1.375
0.2812
0.0315
R10
5999
3265
21
25
RJ
1.625
R12
9384
5057
17
RJ/TW
Notes
*Available with inner ring width extended by 0.0156" (0.3962mm) each side Bearings also available with stainless materials: prefix S Bearing also available with single shield or seal: suffix Z, RS, RU or TS