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Bearing 30306JR (KOYO)
Tapered roller bearings 30306JR
Bearing number : 30306JR
Size (mm) : 30x72x20.75
Brand : KOYO
Bore Diameter (mm) : 30
Outer Diameter (mm) : 72
Width (mm) : 20,75
Bearing dimensions and specification in KOYO catalogue:
d - 30 mm
D - 72 mm
T - 20,75 mm
B - 19 mm
C - 16 mm
a - 15,7 mm
r min. - 1,5 mm
r2 min. - 1,5 mm
da min. - 38,5 mm
da max - 40 mm
Da min - 62 mm
Da max. - 63,5 mm
Db min. - 66 mm
ra max. - 1,5 mm
rb max. - 1,5 mm
Weight - 0,411 Kg
Basic dynamic load rating (C) - 59,6 kN
Basic static load rating (C0) - 60,1 kN
(Grease) Lubrication Speed - 5800 r/min
(Oil) Lubrication Speed - 7700 r/min
Calculation factor (e) - 0,31
Calculation factor (Y0) - 1,05
Calculation factor (Y1) - 1,9
Tags : KOYO , 30x72x20.75
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