All bearings are available in 52100 Chrome Steel or 440 Stainless Steel.
Unit of Measure

Specifications

Bearing Type

Inch Bearing

Bore Diameter (d)

0.3125 in7.938 mm

Outer Diameter (D)

0.5000 in12.700 mm

Min. Radius (rs)

0.0059 in0.15 mm

IR Width (Bi)

0.1875 in4.762 mm

OR Width (Be)

0.1562 in3.967 mm

Seal

TTS

IR Width (B1i)

0.1875 in4.762 mm

OR Width (B1e)

0.1562 in3.967 mm

Load Rating (Cr)

541 N

Load Rating (Cor)

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

Cage Type


One-piece steel crown type (W)

Weight

1.49 grams

Material

440 Stainless Steel 52100 Chrome Steel

Ball Complement

Qty Z

12 pcs

Size (Dw)

0.0472 in1.200 mm

Notes

Notes

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.