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Bearing 21311MB (AST)
Spherical Roller Bearings 21311MB
Bearing number : 21311MB
Size (mm) : 55x120x29
Brand : AST
Bore Diameter (mm) : 55
Outer Diameter (mm) : 120
Width (mm) : 29
Bearing dimensions and specification in AST catalogue:
(dimensions in mm)
Bearing Type - straight bore
Bore Dia (d) - 55.0000
Outer Dia (D) - 120.0000
Width (B) - 29.0000
Radius (min) (rs) - 2.000
Dynamic Load Rating (Cr) - 133,000
Static Load Rating (Cor) - 137,000
Max Speed (Grease) (X1000 RPM) - 3
Max Speed (Oil) (X1000 RPM) - 4
Weight (g) - 1,740.00
Material - 52100 Chrome steel, or equivalent
Inner ring guided, machined brass cage.
Unless otherwise specified, the internal radial clearance is "C0" or "C Normal".
Basic Radial Load Factor "e" = 0.26
Basic Radial Load Factor "Y1" = 2.5
Basic Radial Load Factor "Y2" = 3.8
Basic Radial Load Factor "Y0" = 2.5
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