Spherical roller bearings 230/850B
Bearing number : 230/850B
Size (mm) : 850x1220x272
Brand : NTN
Bore Diameter (mm) : 850
Outer Diameter (mm) : 1220
Width (mm) : 272
Bearing dimensions and specification in NTN catalogue:
d - 850 mm
D - 1 220 mm
B - 272 mm
C - 272 mm
r min. - 7,5 mm
da min. - 886 mm
Da max. - 1 184 mm
ra max. - 6 mm
Weight - 1 050 Kg
Basic dynamic load rating (C) - 9 750 kN
Basic static load rating (C0) - 22 700 kN
(Grease) Lubrication Speed - 210 r/min
(Oil) Lubrication Speed - 270 r/min
Calculation factor (e) - 0,2
Calculation factor (Y0) - 3,25
Calculation factor (Y1) - 3,32
Calculation factor (Y2) - 4,95
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