NTN 7311BDB Bearing
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
- #number
- ID(内径)
- OD(外径)
- B(厚度)
NTN Bearings
2011-01-23
2011-09-03
2012-04-22
2012-12-24
2013-09-08
2014-06-07
2015-03-23
2016-01-10
2016-11-04
2017-09-12
2018-08-04
2019-07-13
2020-06-14
2021-06-05
2022-05-19
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