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
Print Back
All bearings are available in 52100 Chrome Steel or 440 Stainless Steel.
Available with inner ring width extended by 0.015" (0.3962 mm) each side
Unit of Measure

Specifications

Bearing Type

 N/A Inch Bearing

Bore Diameter (d)

 N/A 0.2500 in6.350 mm

Outer Diameter (D)

 N/A 0.3750 in9.525 mm

Min. Radius (rs)

 N/A 0.0039 in0.10 mm

Width (B)

 N/A 0.1250 in3.175 mm

IR Width (Bi)

 N/A 0.1250 in3.175 mm

OR Width (Be)

 N/A 0.1250 in3.175 mm

Seal

 N/A TTS

IR Width (B1i)

 N/A 0.1250 in3.175 mm

OR Width (B1e)

 N/A 0.1250 in3.175 mm

Load Rating (Cr)

 N/A 373 N

Load Rating (Cor)

 N/A 172 N
Max. Speed (Grease) x 10001 N/A 55 rpm
Max. Speed (Oil) x 10002 N/A 65 rpm

Cage Type

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

Weight

 N/A 0.52 grams

Material

 N/A 440 Stainless Steel 52100 Chrome Steel

Ball Complement

Qty Z

 N/A 11 pcs

Size (Dw)

 N/A 0.0394 in1.000 mm

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.