All bearings are available in 52100 Chrome Steel or 440 Stainless Steel.
SUJ2 bearings use RJ type retainer, stainless bearings use J type retainer.
Unit of Measure

Specifications

Bearing Type

N/A Extra Thin Metric Bearing

Bore Diameter (d)

N/A 20 mm0.7874 in

Outer Diameter (D)

N/A 32 mm1.2598 in

Min. Radius (rs)

N/A 0.30 mm0.0118 in

Width (B)

N/A 10.0 mm0.3937 in

Seal

N/A 2RS 2RU

Load Rating (Cr)

N/A 4020 N

Load Rating (Cor)

N/A 2460 N
Max. Speed (Grease) x 10001 N/A 21 rpm
Max. Speed (Oil) x 10002 N/A 25 rpm

Cage Type

N/A
Two-pieces steel ribbon type (J)

Two-pieces steel rivet type (RJ)

Material

N/A 440 Stainless Steel 52100 Chrome Steel

Ball Complement

Qty Z

N/A 13 pcs

Size (Dw)

N/A 3.500 mm0.1378 in

Notes

Notes

N/A Open type bearings have shield/seal grooves.

Note for Cage Type: SUJ2 bearings use RJ type retainers, but stainless bearings use J type retainers.
  • 1 Applicable only for open, single Z, ZZ, single RU and 2RU types in inner ring rotating conditions. Max. speeds for the contact rubber seal(s) types will be around 50-60 % of above values.
  • 2 Applicable only for open, single Z, ZZ, single RU and 2RU types in inner ring rotating conditions. Max. speeds for the contact rubber seal(s) types will be around 50-60 % of above values.