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Bearing 7308 (NTN)
Angular contact ball bearings 7308
Bearing number : 7308
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
Angle (α) - 25 °
a - 30,5 mm
r min. - 1,5 mm
r1 min. - 1 mm
da min. - 48,5 mm
db min - 45,5 mm
ra max. - 1,5 mm
Weight - 0,625 Kg
Basic dynamic load rating (C) - 49 kN
Basic static load rating (C0) - 33 kN
(Grease) Lubrication Speed - 8 600 r/min
(Oil) Lubrication Speed - 12 000 r/min
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