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Bearing 52308 (KOYO)
Axial deep groove ball bearings 52308
Bearing number : 52308
Size (mm) : 30x78x49
Brand : KOYO
Bore Diameter (mm) : 30
Outer Diameter (mm) : 78
Width (mm) : 49
Bearing dimensions and specification in KOYO catalogue:
d2 - 30 mm
D - 78 mm
T1 - 49 mm
T2 - 30.5 mm
d3 - 78 mm
r min. - 1 mm
r1 min. - 0.6 mm
A - 23.5 mm
B - 12 mm
C - 8.5 mm
D1 - 42 mm
R - 64 mm
da min. - 40 mm
Da max. - 60 mm
ra max. - 1 mm
rb max. - 0.6 mm
Weight - 1.06 Kg
Basic dynamic load rating (C) - 69.3 kN
Basic static load rating (C0) - 135 kN
(Grease) Lubrication Speed - 2100 r/min
(Oil) Lubrication Speed - 3300 r/min
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