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NTN 231/670B bearing



Bearing 231/670B

Spherical roller bearings 231/670B

Bearing number : 231/670B

Size (mm) : 670x1090x336

Brand : NTN

Bore Diameter (mm) : 670

Outer Diameter (mm) : 1090

Width (mm) : 336

Bearing dimensions and specification in NTN catalogue:

d - 670 mm

D - 1 090 mm

B - 336 mm

C - 336 mm

r min. - 7,5 mm

da min. - 706 mm

Da max. - 1 054 mm

ra max. - 6 mm

Weight - 1 250 Kg

Basic dynamic load rating (C) - 11 000 kN

Basic static load rating (C0) - 22 800 kN

(Grease) Lubrication Speed - 230 r/min

(Oil) Lubrication Speed - 300 r/min

Calculation factor (e) - 0,3

Calculation factor (Y0) - 2,17

Calculation factor (Y1) - 2,22

Calculation factor (Y2) - 3,3