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Bearing number : 30256
Size (mm) : 280x500x89
Brand : NSK
Bore Diameter (mm) : 280
Outer Diameter (mm) : 500
Width (mm) : 89
d - 280 mm
D - 500 mm
T - 89 mm
B - 80 mm
C - 67 mm
a - 98,5 mm
r min. - 6 mm
r1 min. - 5 mm
da min. - 313 mm
Da min - 436 mm
Da max. - 478 mm
db max. - 339 mm
Db min. - 462 mm
ra max. - 5 mm
rb max. - 4 mm
Weight - 66,3 Kg
Basic dynamic load rating (C) - 1240 kN
Basic static load rating (C0) - 1900 kN
(Grease) Lubrication Speed - 630 r/min
(Oil) Lubrication Speed - 850 r/min
Calculation factor (e) - 0,44
Calculation factor (Y0) - 0,74
Calculation factor (Y1) - 1,4