NTN NA4903R bearing

Bearing NA4903R

NTN NA4903R bearing, Size: 17x30x13. NTN NA4903R are used in a wide variety of applications, suitable for high speeds and are robust in operation, and need little maintenance.

Needle roller bearings NA4903R

Bearing number : NA4903R

Size (mm) : 17x30x13

Brand : NTN

Bore Diameter (mm) : 17

Outer Diameter (mm) : 30

Width (mm) : 13

Bearing dimensions and specification in NTN catalogue:

d - 17 mm

F - 22 mm

D - 30 mm

B - 13 mm

C - 13 mm

r min. - 0,3 mm

s - 0,5 mm

da min. - 19 mm

Da max. - 28 mm

ra max. - 0,3 mm

Weight - 0,037 Kg

Basic dynamic load rating (C) - 11,2 kN

Basic static load rating (C0) - 14,6 kN

(Grease) Lubrication Speed - 12 000 r/min

(Oil) Lubrication Speed - 18 000 r/min

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