NTN 30230U Bearing
d - 150 mm
D - 270 mm
T - 49 mm
B - 45 mm
C - 38 mm
ra1 max. - 2.5 mm
a - 51.5 mm
r min. - 4 mm
r1 min. - 3 mm
da min. - 168 mm
Da min - 234 mm
Da max. - 256 mm
db max. - 175 mm
Db min. - 255 mm
ra max. - 3 mm
Sa - 7 mm
Sb - 11 mm
Weight - 11.2 Kg
Basic dynamic load rating (C) - 450 kN
Basic static load rating (C0) - 605 kN
(Grease) Lubrication Speed - 1 300 r/min
(Oil) Lubrication Speed - 1 700 r/min
Calculation factor (e) - 0.44
Calculation factor (Y0) - 0.76
Calculation factor (Y2) - 1.38
- #number
- ID(内径)
- OD(外径)
- B(厚度)
NTN Bearings
2010-08-21
2011-03-24
2011-11-05
2012-06-28
2013-03-03
2013-11-21
2014-08-25
2015-06-09
2016-03-31
2017-02-02
2017-12-11
2018-11-07
2019-10-15
2020-09-25
2021-09-11
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