Angular contact ball bearings 7220DB
Bearing number : 7220DB
Size (mm) : 100x180x34
Brand : NTN
Bore Diameter (mm) : 100
Outer Diameter (mm) : 180
Width (mm) : 34
Bearing dimensions and specification in NTN catalogue:
d - 100 mm
D - 180 mm
B - 34 mm
C - 34 mm
ra1 max. - 1 mm
Angle (α) - 25 °
a - 57,5 mm
r min. - 2,1 mm
r1 min. - 1,1 mm
2B - 68 mm
da min. - 112 mm
ra max. - 2 mm
Db max - 173 mm
Weight - 6,4 Kg
Basic dynamic load rating (C) - 233 kN
Basic static load rating (C0) - 251 kN
(Grease) Lubrication Speed - 3 100 r/min
(Oil) Lubrication Speed - 4 200 r/min
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