SKF QJ 344 N2MA Bearing
d - 220 mm
D - 460 mm
B - 88 mm
d1 - - 308 mm
D1 - - 372 mm
a - 238 mm
h - 15 mm
b - 12.5 mm
r0 - 2.5 mm
r1.2 - min. - 5 mm
da - min. - 242 mm
Da - max. - 438 mm
ra - max. - 4 mm
Basic dynamic load rating - C - 780 kN
Basic static load rating - C0 - 1400 kN
Fatigue load limit - Pu - 32 kN
Reference speed - 1500 r/min
Limiting speed - 2400 r/min
Calculation factor - ka - 1.1
Calculation factor - e - 0.95
Calculation factor - X - 0.6
Calculation factor - Y0 - 0.58
Calculation factor - Y1 - 0.66
Calculation factor - Y2 - 1.07
Mass bearing - 78 kg
- #number
- ID(内径)
- OD(外径)
- B(厚度)
SKF Bearings
2010-11-23
2011-06-30
2012-02-15
2012-10-16
2013-06-27
2014-03-20
2014-12-29
2015-10-16
2016-08-11
2017-06-14
2018-05-04
2019-04-06
2020-03-08
2021-02-24
2022-02-09
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