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Bearing 32009JR (KOYO)
Tapered roller bearings 32009JR
Bearing number : 32009JR
Size (mm) : 45x75x20
Brand : KOYO
Bore Diameter (mm) : 45
Outer Diameter (mm) : 75
Width (mm) : 20
Bearing dimensions and specification in KOYO catalogue:
d - 45 mm
D - 75 mm
T - 20 mm
B - 20 mm
C - 15,5 mm
a - 16,5 mm
r min. - 1 mm
r2 min. - 1 mm
da min. - 50,5 mm
da max - 51 mm
Da min - 67 mm
Da max. - 69,5 mm
Db min. - 72 mm
ra max. - 1 mm
rb max. - 1 mm
Weight - 0,354 Kg
Basic dynamic load rating (C) - 62,8 kN
Basic static load rating (C0) - 86,5 kN
(Grease) Lubrication Speed - 5000 r/min
(Oil) Lubrication Speed - 6600 r/min
Calculation factor (e) - 0,39
Calculation factor (Y0) - 0,84
Calculation factor (Y1) - 1,53
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