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Bearing 621/612 (KOYO)
Tapered roller bearings 621/612
Bearing number : 621/612
Size (mm) : 53.975x120.65x41.275
Brand : KOYO
Bore Diameter (mm) : 53,975
Outer Diameter (mm) : 120,65
Width (mm) : 41,275
Bearing dimensions and specification in KOYO catalogue:
d - 53,975 mm
D - 120,65 mm
T - 41,275 mm
B - 41,275 mm
C - 31,75 mm
a - 27,3 mm
r min. - 3,6 mm
r2 min. - 3,2 mm
da min. - 70 mm
Da - 105 mm
db min - 63 mm
ra max. - 3,6 mm
rb max. - 3,2 mm
Db - 110 mm
Weight - 2,213 Kg
Basic dynamic load rating (C) - 174 kN
Basic static load rating (C0) - 217 kN
(Grease) Lubrication Speed - 3500 r/min
(Oil) Lubrication Speed - 4600 r/min
Calculation factor (e) - 0,31
Calculation factor (Y0) - 1,05
Calculation factor (Y1) - 1,91
Tags : KOYO , 53.975x120.65x41.275
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