SKF 7280 BM Bearing
d - 400 mm
D - 720 mm
B - 103 mm
d1 - - 532 mm
d2 - - 486 mm
D1 - - 591 mm
a - 287 mm
r1.2 - min. - 6 mm
r3.4 - min. - 3 mm
da - min. - 423 mm
Da - max. - 697 mm
Db - max. - 707 mm
ra - max. - 5 mm
rb - max. - 2.5 mm
Basic dynamic load rating - C - 728 kN
Basic static load rating - C0 - 1500 kN
Fatigue load limit - Pu - 26.5 kN
Reference speed - 900 r/min
Limiting speed - 950 r/min
Calculation factor - kr - 0.08
Calculation factor - ka - 1.2
Calculation factor - e - 1.14
Calculation factor - X - 0.35
Calculation factor - Y0 - 0.26
Calculation factor - Y1 -
Calculation factor - Y2 - 0.57
Mass bearing - 190 kg
- #number
- ID(内径)
- OD(外径)
- B(厚度)
SKF Bearings
2010-12-07
2011-07-16
2012-03-01
2012-11-01
2013-07-14
2014-04-09
2015-01-16
2015-11-04
2016-09-02
2017-07-05
2018-05-25
2019-05-01
2020-04-01
2021-03-23
2022-03-05
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