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
2010-10-24
2011-07-09
2012-03-25
2012-12-17
2013-09-13
2014-06-14
2015-03-23
2016-01-03
2016-10-20
2017-08-12
2018-06-10
2019-04-21
2020-03-02
2021-01-18
2021-12-15
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