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Date: 2017-08-11

Tapered roller bearings 30311CR size: 55x120x31.5 KOYO

Bearing 30311CR
Tapered roller bearings 30311CR
Bearing number : 30311CR

Size (mm) : 55x120x31.5
Brand : KOYO
d (mm) : 55
D (mm) : 120
B (mm) : 31,5
Bearing dimensions and specification in brand catalogue :
d - 55 mm
D - 120 mm
T - 31,5 mm
B - 29 mm
C - 22 mm
a - 29,8 mm
r min. - 2,5 mm
r2 min. - 2 mm
da min. - 67 mm
da max - 70 mm
Da min - 97 mm
Da max. - 108 mm
Db min. - 112 mm
ra max. - 2 mm
rb max. - 2 mm
Weight - 1,58 Kg
Basic dynamic load rating (C) - 144 kN
Basic static load rating (C0) - 161 kN
(Grease) Lubrication Speed - 3400 r/min
(Oil) Lubrication Speed - 4500 r/min
Calculation factor (e) - 0,55
Calculation factor (Y0) - 0,6
Calculation factor (Y1) - 1,1


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