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Bearing 7312B (KOYO)
Angular contact ball bearings 7312B
Bearing number : 7312B
Size (mm) : 60x130x31
Brand : KOYO
Bore Diameter (mm) : 60
Outer Diameter (mm) : 130
Width (mm) : 31
Bearing dimensions and specification in KOYO catalogue:
d - 60 mm
D - 130 mm
B - 31 mm
C - 31 mm
Angle (α) - 40 °
a - 55.8 mm
r min. - 2.1 mm
r1 min. - 1.1 mm
da min. - 72 mm
Da max. - 118 mm
ra max. - 2 mm
Weight - 1.81 Kg
(Grease) Lubrication Speed - 4600 r/min
(Oil) Lubrication Speed - 6200 r/min
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