NTN 678A Bearing
NTN 678A Bearing , NTN bearing , NTN 678A offer , NTN bearings Buy
d - 8 mm
D - 12 mm
B - 2,5 mm
C - 2,5 mm
r min. - 0,1 mm
da min. - 8,8 mm
da max - 9,1 mm
Da max. - 11,2 mm
ra max. - 0,1 mm
Weight - 0,75 Kg
Basic dynamic load rating (C) - 0,515 kN
Basic static load rating (C0) - 0,252 kN
(Grease) Lubrication Speed - 38 000 r/min
(Oil) Lubrication Speed - 45 000 r/min
Calculation factor (f0) - 15,9
Size:8 mm * 12 mm *
- #number
- ID(内径)
- OD(外径)
- B(厚度)
NTN Bearings
2011-04-03
2011-12-18
2012-09-08
2013-06-03
2014-03-03
2014-12-07
2015-09-19
2016-07-03
2017-04-22
2018-02-15
2018-12-23
2019-11-05
2020-09-18
2021-08-13
2022-07-11
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