All bearings are available in 52100 Chrome Steel or 440 Stainless Steel.
Bearings also available with single shield or seal : suffix Z, RS, RU.
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 7.0 mm0.2756 in

Flange Width (Bf)

N/A 1.5 mm0.0591 in

Seal

N/A 2RS 2RU

Load Rating (Cr)

N/A 1920 N

Load Rating (Cor)

N/A 1040 N

Max. Speed (Grease) x 1000

N/A 30 rpm

Max. Speed (Oil) x 1000

N/A 36 rpm

Cage Type

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

Two-pieces steel ribbon type (J)

Weight

N/A 8.70 grams

Material

N/A 440 Stainless Steel 52100 Chrome Steel

Closure

N/A
Pressed steel shield

Closure Option

N/A
Contact rubber seal (2RS)

Non-contact rubber seal (2RU)

Ball Complement

Qty Z

N/A 12 pcs

Size (Dw)

N/A 2.381 mm0.0937 in