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
2010-12-07
2011-08-21
2012-05-09
2013-02-01
2013-10-29
2014-08-01
2015-05-10
2016-02-21
2016-12-09
2017-09-30
2018-08-02
2019-06-12
2020-04-26
2021-03-14
2022-02-09
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