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Bearing number : 30311DJR
Size (mm) : 55x120x31.5
Brand : KOYO
Bore Diameter (mm) : 55
Outer Diameter (mm) : 120
Width (mm) : 31,5
d - 55 mm
D - 120 mm
T - 31,5 mm
B - 29 mm
C - 21 mm
a - 38,4 mm
r min. - 2,5 mm
r2 min. - 2 mm
da min. - 67 mm
da max - 68 mm
Da min - 94 mm
Da max. - 108 mm
Db min. - 113 mm
ra max. - 2 mm
rb max. - 2 mm
Weight - 1,59 Kg
Basic dynamic load rating (C) - 129 kN
Basic static load rating (C0) - 148 kN
(Grease) Lubrication Speed - 2900 r/min
(Oil) Lubrication Speed - 4000 r/min
Calculation factor (e) - 0,83
Calculation factor (Y0) - 0,4
Calculation factor (Y1) - 0,73
Tags : KOYO , 55x120x31.5