NTN 7021DB Bearing
d - 105 mm
D - 160 mm
B - 26 mm
C - 26 mm
ra1 max. - 1 mm
Angle (α) - 25 °
a - 51.5 mm
r min. - 2 mm
r1 min. - 1 mm
2B - 52 mm
da min. - 115 mm
ra max. - 2 mm
Db max - 154.5 mm
Weight - 3.72 Kg
Basic dynamic load rating (C) - 130 kN
Basic static load rating (C0) - 163 kN
(Grease) Lubrication Speed - 3 300 r/min
(Oil) Lubrication Speed - 4 400 r/min
- #number
- ID(内径)
- OD(外径)
- B(厚度)
NTN Bearings
2010-11-01
2011-06-07
2012-01-21
2012-09-19
2013-05-31
2014-02-21
2014-11-29
2015-09-17
2016-07-12
2017-05-14
2018-04-01
2019-03-02
2020-02-03
2021-01-19
2022-01-04
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