NTN 4T-30306 Bearing
NTN 4T-30306 Bearing , NTN bearing , NTN 4T-30306 introduced , NTN bearings machine
d - 30 mm
D - 72 mm
T - 20,75 mm
B - 19 mm
C - 16 mm
ra1 max. - 1,5 mm
a - 15 mm
r min. - 1,5 mm
r1 min. - 1,5 mm
da min. - 38,5 mm
Da min - 62 mm
Da max. - 63,5 mm
db max. - 40 mm
Db min. - 66 mm
ra max. - 1,5 mm
Sa - 3 mm
Sb - 4,5 mm
Weight - 0,408 Kg
Basic dynamic load rating (C) - 60 kN
Basic static load rating (C0) - 61 kN
(Grease) Lubrication Speed - 5 700 r/min
(Oil) Lubrication Speed - 7 600 r/min
Calculation factor (e) - 0,31
Calculation factor (Y0) - 1,05
Calculation factor (Y2) - 1,9
Size:30 mm * 72 mm * 20,75 mm
- #number
- ID(内径)
- OD(外径)
- B(厚度)
NTN Bearings
2010-11-11
2011-07-26
2012-04-12
2013-01-04
2013-10-02
2014-07-03
2015-04-12
2016-01-23
2016-11-09
2017-09-01
2018-07-01
2019-05-12
2020-03-24
2021-02-09
2022-01-07
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