Spherical roller bearings 230/750BK
Bearing number : 230/750BK
Size (mm) : 750x1090x250
Brand : NTN
Bore Diameter (mm) : 750
Outer Diameter (mm) : 1090
Width (mm) : 250
Bearing dimensions and specification in NTN catalogue:
d - 750 mm
D - 1 090 mm
B - 250 mm
C - 250 mm
r min. - 7,5 mm
da min. - 786 mm
Da max. - 1 054 mm
ra max. - 6 mm
Weight - 763 Kg
Basic dynamic load rating (C) - 8 150 kN
Basic static load rating (C0) - 18 300 kN
(Grease) Lubrication Speed - 250 r/min
(Oil) Lubrication Speed - 320 r/min
Calculation factor (e) - 0,21
Calculation factor (Y0) - 3,13
Calculation factor (Y1) - 3,2
Calculation factor (Y2) - 4,76
NTN Bearing Corp. of America - Manufacturing Tod
Manufacturing Today - Best Practices for Industry Leaders. The name NTN has long been synonymous with quality. The bearing manufacturer, established in Japan in 1918, was one of the first companies ever awarded the prestigious Deming Prize, which is given to companies that have made significant advances in quality improvement.
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