NTN 7228DT Bearing
d - 140 mm
D - 250 mm
B - 42 mm
ra1 max. - 1 mm
Angle (α) - 25 °
a - 77.5 mm
r min. - 3 mm
r1 min. - 1.1 mm
2B - 84 mm
da min. - 154 mm
Da max. - 236 mm
ra max. - 2.5 mm
Db max - 243 mm
Weight - 17.56 Kg
Basic dynamic load rating (C) - 330 kN
Basic static load rating (C0) - 430 kN
(Grease) Lubrication Speed - 2 200 r/min
(Oil) Lubrication Speed - 2 900 r/min
- #number
- ID(内径)
- OD(外径)
- B(厚度)
NTN Bearings
2010-08-23
2011-03-27
2011-11-08
2012-07-01
2013-03-06
2013-11-24
2014-08-29
2015-06-12
2016-04-04
2017-02-06
2017-12-15
2018-11-11
2019-10-19
2020-09-29
2021-09-15
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