Spherical roller bearings 239/630K
Bearing number : 239/630K
Size (mm) : 630x850x165
Brand : NTN
Bore Diameter (mm) : 630
Outer Diameter (mm) : 850
Width (mm) : 165
Bearing dimensions and specification in NTN catalogue:
d - 630 mm
D - 850 mm
B - 165 mm
C - 165 mm
r min. - 6 mm
da min. - 658 mm
Da max. - 822 mm
ra max. - 5 mm
Weight - 268 Kg
Basic dynamic load rating (C) - 3 700 kN
Basic static load rating (C0) - 9 250 kN
(Grease) Lubrication Speed - 320 r/min
(Oil) Lubrication Speed - 420 r/min
Calculation factor (e) - 0,18
Calculation factor (Y0) - 3,58
Calculation factor (Y1) - 3,66
Calculation factor (Y2) - 5,45
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Wheel Bearing by NTN®. Position: Front Inner. Loose wheel bearings are 100% developed by NTN design and engineering departments in France and Japan. NTN is an expert in all wheel bearing technologies and technical evolutions. With each generation, the wheel bearing incorporates increased functionality, including technical developments.
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