Angular contact ball bearings 7920DF
Bearing number : 7920DF
Size (mm) : 100x140x20
Brand : NTN
Bore Diameter (mm) : 100
Outer Diameter (mm) : 140
Width (mm) : 20
Bearing dimensions and specification in NTN catalogue:
d - 100 mm
D - 140 mm
B - 20 mm
ra1 max. - 0,6 mm
Angle (α) - 25 °
a - 44,5 mm
r min. - 1,1 mm
r1 min. - 0,6 mm
2B - 40 mm
Da max. - 133 mm
db min - 107 mm
ra max. - 1 mm
Weight - 1,868 Kg
Basic dynamic load rating (C) - 78 kN
Basic static load rating (C0) - 105 kN
(Grease) Lubrication Speed - 3 700 r/min
(Oil) Lubrication Speed - 5 000 r/min
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