NTN 4T-2878/2820 Bearing
NTN 4T-2878/2820 Bearing , NTN bearing , NTN 4T-2878/2820 machine , NTN bearings price
d - 34,925 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 - 41 mm
ra max. - 0,8 mm
da - 42 mm
Db - 68 mm
Weight - 0,434 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:34,925 mm * 73,025 mm * 22,225 mm
- #number
- ID(内径)
- OD(外径)
- B(厚度)
NTN Bearings
2011-03-22
2011-12-06
2012-08-25
2013-05-21
2014-02-18
2014-11-24
2015-09-05
2016-06-18
2017-04-08
2018-02-01
2018-12-09
2019-10-20
2020-09-03
2021-07-28
2022-06-25
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