NTN 7228B Bearing
d - 140 mm
D - 250 mm
B - 42 mm
C - 42 mm
Angle (α) - 40 °
a - 103 mm
r min. - 3 mm
r1 min. - 1.1 mm
da min. - 154 mm
ra max. - 2.5 mm
Weight - 8.78 Kg
Basic dynamic load rating (C) - 183 kN
Basic static load rating (C0) - 195 kN
(Grease) Lubrication Speed - 2 300 r/min
(Oil) Lubrication Speed - 3 100 r/min
- #number
- ID(内径)
- OD(外径)
- B(厚度)
NTN Bearings
2010-08-25
2011-03-28
2011-11-10
2012-07-03
2013-03-07
2013-11-26
2014-08-31
2015-06-13
2016-04-07
2017-02-07
2017-12-18
2018-11-12
2019-10-21
2020-09-30
2021-09-18
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