NTN 7311DT Bearing
d - 55 mm
D - 120 mm
B - 29 mm
ra1 max. - 1 mm
Angle (α) - 25 °
a - 40 mm
r min. - 2 mm
r1 min. - 1 mm
2B - 58 mm
da min. - 65 mm
Da max. - 110 mm
db min - 60.5 mm
ra max. - 2 mm
Db max - 114.5 mm
Weight - 2.78 Kg
Basic dynamic load rating (C) - 139 kN
Basic static load rating (C0) - 123 kN
(Grease) Lubrication Speed - 5 100 r/min
(Oil) Lubrication Speed - 6 800 r/min
- #number
- ID(内径)
- OD(外径)
- B(厚度)
NTN Bearings
2011-01-28
2011-09-09
2012-04-28
2012-12-30
2013-09-14
2014-06-15
2015-03-30
2016-01-17
2016-11-13
2017-09-20
2018-08-11
2019-07-21
2020-06-24
2021-06-13
2022-05-27
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