NTN RNA4948 Bearing
NTN RNA4948 Bearing , NTN bearing , NTN RNA4948 machine , NTN bearings life cycle
Fw - 265 mm
D - 320 mm
C - 80 mm
r min. - 2,1 mm
Da max. - 309 mm
ra max. - 2 mm
Weight - 8,4 Kg
Basic dynamic load rating (C) - 540 kN
Basic static load rating (C0) - 1350 kN
(Grease) Lubrication Speed - 1000 r/min
(Oil) Lubrication Speed - 1500 r/min
Size: * 320 mm *
- #number
- ID(内径)
- OD(外径)
- B(厚度)
NTN Bearings
2010-09-03
2011-05-18
2012-02-01
2012-10-24
2013-07-20
2014-04-19
2015-01-25
2015-11-07
2016-08-23
2017-06-13
2018-04-09
2019-02-17
2019-12-30
2020-11-13
2021-10-10
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