SPB USA
U.S.A.
SPB USA — 2257 Sarasota Center Blvd. Sarasota, FL 34240
Ph: 941.371.1655 Fx 941.371.1669 Email Us
JAPAN
Sapporo Precision, Inc. - Sapporo, Hokkaido
Kitanihon Seiki Co., Ltd. - Ashibetsu, Hokkaido
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All bearings are available in 52100 Chrome Steel or 440 Stainless Steel.
Bearings also available with single shield or seal : suffix Z, RS, RU or TS.
Unit of Measure

Specifications

Bearing Type

 N/A Metric Bearing

Bore Diameter (d)

 N/A 8.0 mm0.3150 in

Outer Diameter (D)

 N/A 12.0 mm0.4724 in

Flange Diameter (Df)

 N/A 13.6 mm0.5354 in

Min. Radius (rs)

 N/A 0.10 mm0.0039 in

Seal

 N/A 2RS 2RU TTS

Width (B1)

 N/A 3.5 mm0.1378 in

Flange Width (Bf1)

 N/A 0.8 mm0.0315 in

Load Rating (Cr)

 N/A 544 N

Load Rating (Cor)

 N/A 275 N
Max. Speed (Grease) x 10001 N/A 46 rpm
Max. Speed (Oil) x 10002 N/A 54 rpm

Cage Type

 N/A
One-piece steel crown type (W)

Weight

 N/A 1.20 grams

Material

 N/A 440 Stainless Steel 52100 Chrome Steel

Closure

 N/A
Pressed steel shield

Closure Option

 N/A
Teflon steel (TTS)

Ball Complement

Qty Z

 N/A 12

Size (Dw)

 N/A 1.200 mm0.0472 in
  • 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.