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Bearing 30210CR (KOYO)
Tapered roller bearings 30210CR
Bearing number : 30210CR
Size (mm) : 50x90x21.75
Brand : KOYO
Bore Diameter (mm) : 50
Outer Diameter (mm) : 90
Width (mm) : 21,75
Bearing dimensions and specification in KOYO catalogue:
d - 50 mm
D - 90 mm
T - 21,75 mm
B - 20 mm
C - 16 mm
a - 22,7 mm
r min. - 1,5 mm
r2 min. - 1,5 mm
da min. - 58,5 mm
da max - 58 mm
Da min - 76 mm
Da max. - 81,5 mm
Db min. - 86 mm
ra max. - 1,5 mm
rb max. - 1,5 mm
Weight - 0,59 Kg
Basic dynamic load rating (C) - 77,2 kN
Basic static load rating (C0) - 95,8 kN
(Grease) Lubrication Speed - 4300 r/min
(Oil) Lubrication Speed - 5700 r/min
Calculation factor (e) - 0,55
Calculation factor (Y0) - 0,6
Calculation factor (Y1) - 1,1
Tags : KOYO , 50x90x21.75
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