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Bearing 7308BDB (NTN)
Angular contact ball bearings 7308BDB
Bearing number : 7308BDB
Size (mm) : 40x90x23
Brand : NTN
Bore Diameter (mm) : 40
Outer Diameter (mm) : 90
Width (mm) : 23
Bearing dimensions and specification in NTN catalogue:
d - 40 mm
D - 90 mm
B - 23 mm
C - 23 mm
ra1 max. - 1 mm
Angle (α) - 40 °
a - 39 mm
r min. - 1,5 mm
r1 min. - 1 mm
2B - 46 mm
da min. - 48,5 mm
ra max. - 1,5 mm
Db max - 84,5 mm
Weight - 1,272 Kg
Basic dynamic load rating (C) - 73 kN
Basic static load rating (C0) - 60,5 kN
(Grease) Lubrication Speed - 6 000 r/min
(Oil) Lubrication Speed - 8 000 r/min
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