NTN 7221DT Bearing
NTN 7221DT Bearing , NTN bearing , NTN 7221DT availability , NTN bearings Retail
d - 105 mm
D - 190 mm
B - 36 mm
ra1 max. - 1 mm
Angle (α) - 25 °
a - 60,5 mm
r min. - 2,1 mm
r1 min. - 1,1 mm
2B - 72 mm
da min. - 117 mm
Da max. - 178 mm
db min - 112 mm
ra max. - 2 mm
Db max - 183 mm
Weight - 7,58 Kg
Basic dynamic load rating (C) - 254 kN
Basic static load rating (C0) - 283 kN
(Grease) Lubrication Speed - 3 000 r/min
(Oil) Lubrication Speed - 4 000 r/min
Size:105 mm * 190 mm *
- #number
- ID(内径)
- OD(外径)
- B(厚度)
NTN Bearings
2010-08-31
2011-05-15
2012-01-29
2012-10-21
2013-07-17
2014-04-15
2015-01-22
2015-11-04
2016-08-19
2017-06-10
2018-04-06
2019-02-13
2019-12-26
2020-11-09
2021-10-06
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