KOYO 7004B Bearing
KOYO 7004B Bearing , KOYO bearing , KOYO 7004B original , KOYO bearings introduced
d - 20 mm
D - 42 mm
B - 12 mm
C - 12 mm
Angle (α) - 40 °
a - 19.2 mm
r min. - 0.6 mm
r1 min. - 0.3 mm
da min. - 24.5 mm
Da max. - 37.5 mm
ra max. - 0.6 mm
Weight - 0.079 Kg
(Grease) Lubrication Speed - 14 000 r/min
(Oil) Lubrication Speed - 19 000 r/min
Size:20 mm * 42 mm *
- #number
- ID(内径)
- OD(外径)
- B(厚度)
KOYO Bearings
2011-02-02
2011-10-18
2012-07-07
2013-04-02
2013-12-28
2014-10-03
2015-07-12
2016-04-25
2017-02-12
2017-12-07
2018-10-11
2019-08-23
2020-07-05
2021-05-28
2022-04-26
Request for inquiry
Name and email are required!!!