NTN 7004 Bearing
d - 20 mm
D - 42 mm
B - 12 mm
C - 12 mm
Angle (α) - 25 °
a - 15 mm
r min. - 0.6 mm
r1 min. - 0.3 mm
da min. - 24.5 mm
db min - 24.5 mm
ra max. - 0.6 mm
Weight - 0.08 Kg
Basic dynamic load rating (C) - 9.7 kN
Basic static load rating (C0) - 5.6 kN
(Grease) Lubrication Speed - 19 000 r/min
(Oil) Lubrication Speed - 25 000 r/min
- #number
- ID(内径)
- OD(外径)
- B(厚度)
NTN Bearings
2010-11-21
2011-06-28
2012-02-13
2012-10-13
2013-06-25
2014-03-18
2014-12-27
2015-10-13
2016-08-09
2017-06-11
2018-05-01
2019-04-03
2020-03-05
2021-02-21
2022-02-08
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