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Bearing 30305JR (KOYO)
Tapered roller bearings 30305JR
Bearing number : 30305JR
Size (mm) : 25x62x18.25
Brand : KOYO
Bore Diameter (mm) : 25
Outer Diameter (mm) : 62
Width (mm) : 18,25
Bearing dimensions and specification in KOYO catalogue:
d - 25 mm
D - 62 mm
T - 18,25 mm
B - 17 mm
C - 15 mm
a - 12,9 mm
r min. - 1,5 mm
r2 min. - 1,5 mm
da min. - 33,5 mm
da max - 34 mm
Da min - 54 mm
Da max. - 54 mm
Db min. - 57 mm
ra max. - 1,5 mm
rb max. - 1,5 mm
Weight - 0,273 Kg
Basic dynamic load rating (C) - 48,2 kN
Basic static load rating (C0) - 46,9 kN
(Grease) Lubrication Speed - 6800 r/min
(Oil) Lubrication Speed - 9000 r/min
Calculation factor (e) - 0,3
Calculation factor (Y0) - 1,1
Calculation factor (Y1) - 2
Tags : KOYO , 25x62x18.25
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