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.
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 28 mm1.1024 in

Min. Radius (rs)

 N/A 0.30 mm0.0118 in

Width (B1)

 N/A 9.0 mm0.3543 in

Load Rating (Cr)

 N/A 4580 N

Load Rating (Cor)

 N/A 1970 N
Max. Speed (Grease) x 10001 N/A 28 rpm
Max. Speed (Oil) x 10002 N/A 33 rpm

Cage Type

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

Weight

 N/A 28.4 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 7

Size (Dw)

 N/A 4.762 mm0.1875 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.