SKF NKIB5903 bearing

17x30x20

the suspect bearing and sent it to SKF for a rigorous bearing failure analysis. SKF confirmed that the bearing was counter-feit, which nearly caused the “repairs” to be worse than the original problem.



Needle roller / angular contact ball bearings NKIB 5903

Bearing number : NKIB 5903

Size (mm) : 17x30x20

Brand : SKF

Bore Diameter (mm) : 17

Outer Diameter (mm) : 30

Width (mm) : 20

Bearing dimensions and specification in SKF catalogue:

d - 17 mm

D - 30 mm

B - 20 mm

C - 18 mm

F - 22 mm

r1,2 - min. - 0.3 mm

da - min. - 19 mm

Da - max. - 28 mm

ra - max. - 0.3 mm

Basic dynamic load rating, radial direction - C - 11.4 kN

Basic static load rating, radial direction - C0 - 16.3 kN

Basic dynamic load rating, axial direction - C - 2.2 kN

Basic static load rating, axial direction - C0 - 2.7 kN

Fatigue load limit, radial direction - Pu - 2 kN

Fatigue load limit, axial direction - Pu - 0.116 kN

Reference speed - 18000 r/min

Limiting speed - 20000 r/min

Mass bearing - 0.058 kg

Bearing NKIB 5903 Bearing NKIB 5903

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