NTN 4T-2879/2820 Bearing
NTN 4T-2879/2820 Bearing , NTN bearing , NTN 4T-2879/2820 plant , NTN bearings life cycle
d - 31,75 mm
D - 73,025 mm
T - 22,225 mm
B - 23,812 mm
C - 17,462 mm
ra1 max. - 3,3 mm
a - 5,5 mm
Da - 63 mm
db - 38,5 mm
ra max. - 0,8 mm
da - 39,5 mm
Db - 68 mm
Weight - 0,465 Kg
Basic dynamic load rating (C) - 62,5 kN
Basic static load rating (C0) - 75,5 kN
(Grease) Lubrication Speed - 5 200 r/min
(Oil) Lubrication Speed - 7 000 r/min
Calculation factor (e) - 0,37
Calculation factor (Y0) - 0,9
Calculation factor (Y2) - 1,63
Size:31,75 mm * 73,025 mm * 22,225 mm
- #number
- ID(内径)
- OD(外径)
- B(厚度)
NTN Bearings
2011-02-03
2011-10-19
2012-07-08
2013-04-03
2013-12-29
2014-10-03
2015-07-13
2016-04-26
2017-02-13
2017-12-08
2018-10-12
2019-08-24
2020-07-06
2021-05-29
2022-04-27
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