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.
Unit of Measure

Specifications

Bearing Type

 N/A Inch Bearing

Bore Diameter (d)

 N/A 0.3125 in7.938 mm

Outer Diameter (D)

 N/A 0.5000 in12.700 mm

Min. Radius (rs)

 N/A 0.0059 in0.15 mm

IR Width (Bi)

 N/A 4.762 mm0.1875 in

OR Width (Be)

 N/A 3.967 mm0.1562 in

Seal

 N/A TTS

IR Width (B1i)

 N/A 4.762 mm0.1875 in

OR Width (B1e)

 N/A 3.967 mm0.1562 in

Load Rating (Cr)

 N/A 541 N

Load Rating (Cor)

 N/A 276 N
Max. Speed (Grease) x 10001 N/A 45 rpm
Max. Speed (Oil) x 10002 N/A 53 rpm

Cage Type

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

Weight

 N/A 1.58 grams

Material

 N/A 440 Stainless Steel 52100 Chrome Steel

Ball Complement

Qty Z

 N/A 12 pcs

Size (Dw)

 N/A 0.0472 in1.200 mm
  • 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.