KOYO 7904C Bearing
KOYO 7904C Bearing , KOYO bearing , KOYO 7904C Applications , KOYO bearings Agent
d - 20 mm
D - 37 mm
B - 9 mm
C - 9 mm
Angle (α) - 15 °
a - 8.3 mm
r min. - 0.3 mm
r1 min. - 0.15 mm
da min. - 22.5 mm
Da max. - 34.5 mm
ra max. - 0.3 mm
Weight - 0.035 Kg
(Grease) Lubrication Speed - 30 000 r/min
(Oil) Lubrication Speed - 39 000 r/min
Calculation factor (f0) - 14.9
Size:20 mm * 37 mm *
- #number
- ID(内径)
- OD(外径)
- B(厚度)
KOYO Bearings
2010-10-23
2011-07-08
2012-03-24
2012-12-16
2013-09-12
2014-06-13
2015-03-22
2016-01-03
2016-10-19
2017-08-11
2018-06-09
2019-04-20
2020-03-01
2021-01-17
2021-12-14
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