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Bearing 7308B (KOYO)
Angular contact ball bearings 7308B
Bearing number : 7308B
Size (mm) : 40x90x23
Brand : KOYO
Bore Diameter (mm) : 40
Outer Diameter (mm) : 90
Width (mm) : 23
Bearing dimensions and specification in KOYO catalogue:
d - 40 mm
D - 90 mm
B - 23 mm
C - 23 mm
Angle (α) - 40 °
a - 38.8 mm
r min. - 1.5 mm
r1 min. - 1 mm
da min. - 48.5 mm
Da max. - 81.5 mm
ra max. - 1.5 mm
Weight - 0.657 Kg
(Grease) Lubrication Speed - 6900 r/min
(Oil) Lubrication Speed - 9200 r/min
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