SKF NNU4976B/SPW33 bearing

Bearing NNU 4976 B/SPW33

SKF NNU4976B/SPW33 bearing, Size: 380x520x140. SKF NNU4976B/SPW33 are used in a wide variety of applications, suitable for high speeds and are robust in operation, and need little maintenance.

Cylindrical roller bearings NNU 4976 B/SPW33

Bearing number : NNU 4976 B/SPW33

Size (mm) : 380x520x140

Brand : SKF

Bore Diameter (mm) : 380

Outer Diameter (mm) : 520

Width (mm) : 140

Bearing dimensions and specification in SKF catalogue:

d - 380 mm

D - 520 mm

B - 140 mm

C - 140 mm

b - 16,7 mm

r1 min. - 4 mm

r2 min. - 4 mm

r3 min. - 2,5 mm

r4 min. - 2,5 mm

D1 - 470,8 mm

F - 426 mm

K - 9 mm

da min. - 395 mm

da max - 421 mm

Da max. - 505 mm

db min - 431 mm

ra max. - 3 mm

S - 5,5 mm

dh - – mm

Weight - 83,5 Kg

Basic dynamic load rating (C) - 1 450 kN

Basic static load rating (C0) - 3 600 kN

(Grease) Lubrication Speed - 1 300 r/min

(Oil) Lubrication Speed - 1 500 r/min

Fatigue load limit (Pu) - 320

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