NTN 7221BDB Bearing
NTN 7221BDB Bearing , NTN bearing , NTN 7221BDB introduced , NTN bearings quotaiton
d - 105 mm
D - 190 mm
B - 36 mm
C - 36 mm
ra1 max. - 1 mm
Angle (α) - 40 °
a - 80 mm
r min. - 2,1 mm
r1 min. - 1,1 mm
2B - 72 mm
da min. - 117 mm
ra max. - 2 mm
Db max - 183 mm
Weight - 7,74 Kg
Basic dynamic load rating (C) - 231 kN
Basic static load rating (C0) - 258 kN
(Grease) Lubrication Speed - 2 600 r/min
(Oil) Lubrication Speed - 3 500 r/min
Size:105 mm * 190 mm *
- #number
- ID(内径)
- OD(外径)
- B(厚度)
NTN Bearings
2011-02-18
2011-11-04
2012-07-24
2013-04-18
2014-01-14
2014-10-21
2015-07-31
2016-05-13
2017-03-02
2017-12-26
2018-10-31
2019-09-11
2020-07-25
2021-06-17
2022-05-16
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