NTN 7308B bearing

Bearing 7308B

7308B NTN bearing,

NTN 7308B bearing, Size: 40x90x23. NTN 7308B 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 7308B

Bearing number : 7308B

Size (mm) : 40x90x23

Brand : NTN

Bore Diameter (mm) : 40

Outer Diameter (mm) : 90

Width (mm) : 23

Bearing dimensions and specification in NTN catalogue:

d - 40 mm

D - 90 mm

B - 23 mm

C - 23 mm

Angle (α) - 40 °

a - 39 mm

r min. - 1,5 mm

r1 min. - 1 mm

da min. - 48,5 mm

db min - 45,5 mm

ra max. - 1,5 mm

Weight - 0,636 Kg

Basic dynamic load rating (C) - 45 kN

Basic static load rating (C0) - 30,5 kN

(Grease) Lubrication Speed - 7 400 r/min

(Oil) Lubrication Speed - 9 900 r/min