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Bearing 7905 (NTN)
Angular contact ball bearings 7905
Bearing number : 7905
Size (mm) : 25x42x9
Brand : NTN
Bore Diameter (mm) : 25
Outer Diameter (mm) : 42
Width (mm) : 9
Bearing dimensions and specification in NTN catalogue:
d - 25 mm
D - 42 mm
B - 9 mm
C - 9 mm
Angle (α) - 25 °
a - 14 mm
r min. - 0,3 mm
r1 min. - 0,15 mm
da min. - 27,5 mm
db min - 27,5 mm
ra max. - 0,3 mm
Weight - 0,05 Kg
Basic dynamic load rating (C) - 7,15 kN
Basic static load rating (C0) - 4,95 kN
(Grease) Lubrication Speed - 17 000 r/min
(Oil) Lubrication Speed - 22 000 r/min
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