NTN 6904 bearing

Bearing 6904

NTN 6904 bearing, Size: 20x37x9. NTN 6904 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 6904

Bearing number : 6904

Size (mm) : 20x37x9

Brand : NTN

Bore Diameter (mm) : 20

Outer Diameter (mm) : 37

Width (mm) : 9

Bearing dimensions and specification in NTN catalogue:

d - 20 mm

D - 37 mm

B - 9 mm

C - 9 mm

r min. - 0,3 mm

da min. - 22 mm

da max - 24 mm

Da max. - 35 mm

ra max. - 0,3 mm

Weight - 0,036 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 - 23 000 r/min

Calculation factor (f0) - 14,7

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