7211B NACHI bearing

Bearing 7211B

Angular contact ball bearings 7211B

Bearing number : 7211B

Size (mm) : 55x100x21

Brand : NACHI

Bore Diameter (mm) : 55

Outer Diameter (mm) : 100

Width (mm) : 21

Bearing dimensions and specification in NACHI catalogue:

d - 55 mm

D - 100 mm

B - 21 mm

C - 21 mm

Angle (α) - 40 °

a - 22.1 mm

r min. - 1.5 mm

r1 min. - 1 mm

da min. - 64 mm

Da max. - 91 mm

ra max. - 1.5 mm

Weight - 0.635 Kg

Basic dynamic load rating (C) - 48 kN

Basic static load rating (C0) - 37,5 kN

(Grease) Lubrication Speed - 5300 r/min

(Oil) Lubrication Speed - 7000 r/min

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