Bearing NU20/630ECMA (SKF)

Cylindrical roller bearings NU20/630ECMA

Bearing number : NU20/630ECMA

Size (mm) : 630x920x170

Brand : SKF

Bore Diameter (mm) : 630

Outer Diameter (mm) : 920

Width (mm) : 170

Bearing dimensions and specification in SKF catalogue:

d - 630 mm

D - 920 mm

B - 170 mm

C - 170 mm

r1 min. - 7,5 mm

r2 min. - 7,5 mm

r3 min. - 7,5 mm

r4 min. - 7,5 mm

D1 - 832 mm

F - 699 mm

da min. - 658 mm

da max - 690 mm

Da max. - 892 mm

db min - 705 mm

ra max. - 6 mm

rb max. - 6 mm

S - 8,7 mm

Weight - 400 Kg

Basic dynamic load rating (C) - 4730 kN

Basic static load rating (C0) - 9500 kN

Fatigue load limit (Pu) - 670

Reference speed - 560 r/min

Limiting speed - 850 r/min

Calculation factor (kr) - 0,14

Designation

Bore Dia, mm

Outer Dia, mm: