Non-Standard Bearing

R series

600 series

6000 series

6200 series

6300 series

6800 series

6900 series












R4
Open
R4 Z
1 Shield
R4 ZZ
2 Shields
R4 RS
1 Contact 
Seal
R4 2RS
2 Contact 
Seals





NPB
Bore
Outside Diameter
Width

Part No.
Frac.
Inch
Frac.
Inch
Open
Seal/Shield

RFQ per item
Frac.
Inch
Frac.
Inch

R2
3.175
1/4
9.525 
3/8
3.967 
1/6
3.976 
1/6

R3
4.762
3/16
12.700 
1/2
3.967 
1/6
4.978 
1/5

R4
6.350 
1/4
15.875 
5/8
4.978 
1/5
4.978 
1/5

R6
9.525 
3/8
22.225 
7/8
5.558 
2/9
7.142 
2/7

R8
12.700 
1/2
28.575 
11/8
6.350 
1/4
7.938 
1/3

Material: GCr15, equals to Standard SAE 52100(USA). DIN100Cr6(Germany). BS535A99(UK)

R series bearings are available in open, sealed and shielded configurations. Sealed and shielded bearings may be slightly wider as shown in the table.