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

Specifications

Bearing Type

 Inch Bearing

Bore Diameter (d)

 0.0781 in1.984 mm

Outer Diameter (D)

 0.3125 in7.938 mm

Min. Radius (rs)

 0.0059 in0.15 mm

IR Width (Bi)

 3.571 mm0.1406 in

OR Width (Be)

 2.779 mm0.1094 in

IR Width (B1i)

 4.366 mm0.1719 in

OR Width (B1e)

 3.571 mm0.1406 in

Load Rating (Cr)

 551 N

Load Rating (Cor)

 175 N
Max. Speed (Grease) x 10001 72 rpm
Max. Speed (Oil) x 10002 85 rpm

Cage Type

One-piece steel crown type (W)

Weight

 0.81 grams

Material

 440 Stainless Steel 52100 Chrome Steel

Ball Complement

Qty Z

 6 pcs

Size (Dw)

 0.0625 in1.588 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.