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Bearing HR30311J (NSK)
Tapered roller bearings HR30311J
Bearing number : HR30311J
Size (mm) : 55x120x31.5
Brand : NSK
Bore Diameter (mm) : 55
Outer Diameter (mm) : 120
Width (mm) : 31,5
Bearing dimensions and specification in NSK catalogue:
d - 55 mm
D - 120 mm
T - 31,5 mm
B - 29 mm
C - 25 mm
a - 24,6 mm
r min. - 2,5 mm
r1 min. - 2 mm
da min. - 70 mm
Da min - 104 mm
Da max. - 110 mm
db max. - 71 mm
Db min. - 111 mm
ra max. - 2 mm
rb max. - 2 mm
Weight - 1,63 Kg
Basic dynamic load rating (C) - 150 kN
Basic static load rating (C0) - 171 kN
(Grease) Lubrication Speed - 3200 r/min
(Oil) Lubrication Speed - 4300 r/min
Calculation factor (e) - 0,35
Calculation factor (Y0) - 0,96
Calculation factor (Y1) - 1,7
Tags : NSK , 55x120x31.5
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