NSK 6904N bearing

Bearing 6904N

6904N NSK bearing,

NSK 6904N bearing, Size: 20x37x9. NSK 6904N are used in a wide variety of applications, suitable for high speeds and are robust in operation, and need little maintenance.

Deep groove ball bearings 6904N

Bearing number : 6904N

Size (mm) : 20x37x9

Brand : NSK

Bore Diameter (mm) : 20

Outer Diameter (mm) : 37

Width (mm) : 9

Bearing dimensions and specification in NSK catalogue:

d - 20 mm

D - 37 mm

B - 9 mm

C - 9 mm

rn - 0,3 mm

a - 1,7 mm

b - 0,95 mm

r min. - 0,3 mm

r0 max. - 0,25 mm

D1 - 35,7 mm

da min. - 22 mm

da max - 24 mm

Da max. - 35 mm

ra max. - 0,3 mm

Weight - 0,037 Kg

Basic dynamic load rating (C) - 6,4 kN

Basic static load rating (C0) - 3,7 kN

(Grease) Lubrication Speed - 19 000 r/min

(Oil) Lubrication Speed - 22 000 r/min

Calculation factor (f0) - 14,7