NTN 7311B bearing

Bearing 7311B

NTN 7311B bearing, Size: 55x120x29. NTN 7311B are used in a wide variety of applications, suitable for high speeds and are robust in operation, and need little maintenance.

Angular contact ball bearings 7311B

Bearing number : 7311B

Size (mm) : 55x120x29

Brand : NTN

Bore Diameter (mm) : 55

Outer Diameter (mm) : 120

Width (mm) : 29

Bearing dimensions and specification in NTN catalogue:

d - 55 mm

D - 120 mm

B - 29 mm

C - 29 mm

Angle (α) - 40 °

a - 52 mm

r min. - 2 mm

r1 min. - 1 mm

da min. - 65 mm

db min - 60,5 mm

ra max. - 2 mm

Weight - 1,42 Kg

Basic dynamic load rating (C) - 79 kN

Basic static load rating (C0) - 56,5 kN

(Grease) Lubrication Speed - 5 500 r/min

(Oil) Lubrication Speed - 7 300 r/min

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