SKF NNCF4860CV bearing

300x380x80

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 NNCF4860CV

Bearing number : NNCF4860CV

Size (mm) : 300x380x80

Brand : SKF

Bore Diameter (mm) : 300

Outer Diameter (mm) : 380

Width (mm) : 80

Bearing dimensions and specification in SKF catalogue:

d - 300 mm

D - 380 mm

B - 80 mm

C - 80 mm

b1 - 9,4 mm

d1 - 328 mm

r1 min. - 2,1 mm

r2 min. - 2,1 mm

r3 min. - 2,1 mm

r4 min. - 2,1 mm

D1 - 350 mm

E - 356,7 mm

K - 5 mm

ba min. - 310 mm

Da max. - 370 mm

das rec. - 319 mm

ra max. - 2 mm

rb max. - 2 mm

S - 6 mm

Weight - 22,5 Kg

Basic dynamic load rating (C) - 858 kN

Basic static load rating (C0) - 2120 kN

Fatigue load limit (Pu) - 196

Reference speed - 700 r/min

Limiting speed - 850 r/min

Calculation factor (kr) - 0,2

Bearing NNCF4860CV

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