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Bearing 7906 (NTN)
Angular contact ball bearings 7906
Bearing number : 7906
Size (mm) : 30x47x9
Brand : NTN
Bore Diameter (mm) : 30
Outer Diameter (mm) : 47
Width (mm) : 9
Bearing dimensions and specification in NTN catalogue:
d - 30 mm
D - 47 mm
B - 9 mm
C - 9 mm
Angle (α) - 25 °
a - 15,5 mm
r min. - 0,3 mm
r1 min. - 0,15 mm
da min. - 32,5 mm
db min - 32,5 mm
ra max. - 0,3 mm
Weight - 0,058 Kg
Basic dynamic load rating (C) - 7,55 kN
Basic static load rating (C0) - 5,75 kN
(Grease) Lubrication Speed - 14 000 r/min
(Oil) Lubrication Speed - 19 000 r/min
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