SKF NUP306ECNJ bearing

30x72x19

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.



Cylindrical roller bearings, single row NUP 306 ECNJ

Bearing number : NUP 306 ECNJ

Size (mm) : 30x72x19

Brand : SKF

Bore Diameter (mm) : 30

Outer Diameter (mm) : 72

Width (mm) : 19

Bearing dimensions and specification in SKF catalogue:

d - 30 mm

D - 72 mm

B - 19 mm

d1 - - 45 mm

D1 - - 58.35 mm

F - 40.5 mm

r1,2 - min. - 1.1 mm

r3,4 - min. - 1.1 mm

da - min. - 37 mm

db - min. - 47 mm

Da - max. - 65.1 mm

ra - max. - 1 mm

Basic dynamic load rating - C - 58.5 kN

Basic static load rating - C0 - 48 kN

Fatigue load limit - Pu - 6.2 kN

Reference speed - 11000 r/min

Limiting speed - 12000 r/min

Calculation factor - kr - 0.15

Mass bearing - 0.39 kg

Bearing NUP 306 ECNJ Bearing NUP 306 ECNJ

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