INA Bearing

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INA Bearing
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Bearing B21

Axial deep groove ball bearings B21

Bearing number : B21

Size (mm) : 44.45x78.59x22.22

Brand : INA

Bore Diameter (mm) : 44,45

Outer Diameter (mm) : 78,59

Width (mm) : 22,22

Bearing dimensions and specification in INA catalogue:


d - 1 3/4 inch

d - 44,45 mm

D - 3,094 inch

D - 78,59 mm

T - 0,875 inch

T - 22,22 mm

D1 - 1,781 inch

m - 0,922 lbs / Weight

m - 0,418 kg / Weight

Ca - 12900 lbf / Dynamic load rating (axial)

Ca - 57400 N / Dynamic load rating (axial)

C0a - 29000 lbf / Static load rating (axial)

C0a - 129000 N / Static load rating (axial)

nG - 2400 1/min / Limiting speed


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