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All bearings are available in 52100 Chrome Steel or 440 Stainless Steel.
Unit of Measure

Specifications

Bearing Type

 N/A Extra Thin Metric Bearing

Bore Diameter (d)

 N/A 12 mm0.4724 in

Outer Diameter (D)

 N/A 21 mm0.8268 in

Flange Diameter (Df)

 N/A 23.0 mm0.9055 in

Min. Radius (rs)

 N/A 0.30 mm0.0118 in

Width (B)

 N/A 5.0 mm0.1969 in

Flange Width (Bf)

 N/A 1.1 mm0.0433 in

Seal

 N/A 2RS 2RU

Load Rating (Cr)

 N/A 1920 N

Load Rating (Cor)

 N/A 1040 N
Max. Speed (Grease) x 10001 N/A 30 rpm
Max. Speed (Oil) x 10002 N/A 36 rpm

Cage Type

 N/A
One-piece nylon crown type (TW)

Two-pieces steel ribbon type (J)

Material

 N/A 440 Stainless Steel 52100 Chrome Steel

Ball Complement

Qty Z

 N/A 12 pcs

Size (Dw)

 N/A 2.381 mm0.0937 in

Notes

Notes

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