ABIS Miniature and Precision Ball Bearings
With bores of 0.6 to 90mm and precision grades to ABEC 7
Inch/Metric Bearing *
Tolerance *
Type *
Reference
Dimensions (mm)
Shaft
Retaining Ring
Groove
d1Ø
d3 max.
b+0.10
s+0.02
d2+0.05
m+0.03
WSR3
3
2.60
0.50
0.30
2.70
0.33
WSR4
4
3.60
3.70
WSR5
5
4.50
0.70
0.40
4.60
0.44
WSR6
6
5.45
5.60
WSR7
7
6.45
6.60
WSR8
8
7.35
0.90
7.50
0.55
WSR9
9
8.30
8.50
WSR10
10
9.25
9.50
Material: Spring Steel 1.4310/AISI 301