NTN 7311BDF Bearing
d - 55 mm
D - 120 mm
B - 29 mm
ra1 max. - 1 mm
Angle (α) - 40 °
a - 52 mm
r min. - 2 mm
r1 min. - 1 mm
2B - 58 mm
Da max. - 110 mm
db min - 60.5 mm
ra max. - 2 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
- #number
- ID(内径)
- OD(外径)
- B(厚度)
NTN Bearings
2010-11-06
2011-06-13
2012-01-26
2012-09-26
2013-06-06
2014-02-26
2014-12-06
2015-09-23
2016-07-19
2017-05-21
2018-04-09
2019-03-11
2020-02-11
2021-01-27
2022-01-13
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