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R Series ball bearing


The R-Series ball bearings, named for their numerical model numbers, are also known as our Precision Inch Series ball bearings. R series bearings are available in open, sealed and shielded configurations. Sealed and shielded bearings may be slightly wider as shown in the table.

The R-Series bearings are single row, inch series bearings available from 1/8 through 1-1/2 inch bore sizes. The construction of these bearings enables them to accept thrust as well as radial load. Their ball complement and selection of retainers also allows them to work well in high-speed applications.


R Series Specifications

TYPE d
(mm)
D
(mm)
B(mm) Rsmin
(mm)
(KN)
Open Shielded
inches inches inches inches (Cr) (Cor)
R2 3.175 9.525 3.969 3.969 0.3 0.64 0.22
0.125 0.375 0.1563 0.1563
R3 4.762 12.7 3.939 4.978 0.3 1.07 0.42
0.1875 0.5 0.1563 0.196
R4 6.35 15.875 4.978 4.978 0.3 1.47 0.6
0.25 0.625 0.1960 0.1960
R4A 6.35 19.05 5.556 7.144 0.3 2.8 1.06
0.25 0.75 0.2187 0.2813
R6 9.525 22.225 5.556 7.938 0.3 3.33 1.41
0.375 0.875 0.2187 0.2813
R8 12.7 28.575 6.35 7.968 0.4 5.11 2.38
0.5 1.125 0.25 0.3125
R10 15.875 34.925 7.144 8.731 0.8 6 3.25
0.625 1.375 0.2813 0.3437
R12 19.05 41.275 7.938 11.112 0.8 9.37 5.02
0.75 16.427 0.3125 0.4375
R14 22.225 47.625 9.525 12.7 0.8

10.06

5.92
0.875 1.875 0.375 0.5
R16 25.4 50.8 9.525 12.7 1 14.02 7.93
1 2 0.375 0.5

 

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