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Bearing 7211DB (NACHI)
Angular contact ball bearings 7211DB
Bearing number : 7211DB
Size (mm) : 55x100x21
Brand : NACHI
Bore Diameter (mm) : 55
Outer Diameter (mm) : 100
Width (mm) : 21
Bearing dimensions and specification in NACHI catalogue:
d - 55 mm
D - 100 mm
B - 21 mm
C - 21 mm
Angle (α) - 30 °
a - 11.9 mm
r min. - 1.5 mm
r1 min. - 1 mm
2B - 42 mm
da min. - 60 mm
Da max. - 94.6 mm
ra max. - 1 mm
Weight - 0.635 Kg
Basic dynamic load rating (C) - 83 kN
Basic static load rating (C0) - 79 kN
(Grease) Lubrication Speed - 4500 r/min
(Oil) Lubrication Speed - 6300 r/min
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