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Bearing 7311BDB (NTN)
Angular contact ball bearings 7311BDB
Bearing number : 7311BDB
Size (mm) : 55x120x29
Brand : NTN
Bore Diameter (mm) : 55
Outer Diameter (mm) : 120
Width (mm) : 29
Bearing dimensions and specification in NTN catalogue:
d - 55 mm
D - 120 mm
B - 29 mm
C - 29 mm
ra1 max. - 1 mm
Angle (α) - 40 °
a - 52 mm
r min. - 2 mm
r1 min. - 1 mm
2B - 58 mm
da min. - 65 mm
ra max. - 2 mm
Db max - 114,5 mm
Weight - 2,84 Kg
Basic dynamic load rating (C) - 128 kN
Basic static load rating (C0) - 113 kN
(Grease) Lubrication Speed - 4 500 r/min
(Oil) Lubrication Speed - 5 900 r/min
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