SKF W 639/3-2Z Bearing
d - 3 mm
D - 8 mm
B - 4 mm
C - 4 mm
d1 - 4.3 mm
d2 - – mm
r1 min. - 4.2 mm
r2 min. - 4.2 mm
D1 - 7.3 mm
D2 - 0.15 mm
da min. - 4.3 mm
Da max. - 7.3 mm
ra max. - 0.15 mm
Weight - 0.00083 Kg
Basic dynamic load rating (C) - 0.319 kN
Basic static load rating (C0) - 0.09 kN
Fatigue load limit (Pu) - 0.004
Reference speed - 150000 r/min
Limiting speed - 75000 r/min
Calculation factor (f0) - 6.1
Calculation factor (kr) - 0.025
- #number
- ID(内径)
- OD(外径)
- B(厚度)
SKF Bearings
2011-03-03
2011-10-14
2012-06-04
2013-02-07
2013-10-26
2014-07-26
2015-05-11
2016-03-02
2017-01-01
2017-11-10
2018-10-02
2019-09-10
2020-08-18
2021-08-04
2022-07-21
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