NTN 21308CK Bearing
d - 40 mm
D - 90 mm
B - 23 mm
C - 23 mm
r min. - 1.5 mm
da min. - 48.5 mm
Da max. - 81.5 mm
ra max. - 1.5 mm
Weight - 0.694 Kg
Basic dynamic load rating (C) - 88 kN
Basic static load rating (C0) - 90 kN
(Grease) Lubrication Speed - 4 900 r/min
(Oil) Lubrication Speed - 6 400 r/min
Calculation factor (e) - 0.26
Calculation factor (Y0) - 2.5
Calculation factor (Y1) - 2.55
Calculation factor (Y2) - 3.8
- #number
- ID(内径)
- OD(外径)
- B(厚度)
NTN Bearings
2010-12-19
2011-07-28
2012-03-14
2012-11-16
2013-07-28
2014-04-24
2015-02-02
2015-11-22
2016-09-17
2017-07-22
2018-06-14
2019-05-19
2020-04-19
2021-04-13
2022-03-26
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