KOYO 30311JR Bearing
d - 55 mm
D - 120 mm
T - 31.5 mm
B - 29 mm
C - 25 mm
a - 25.5 mm
r min. - 2.5 mm
r2 min. - 2 mm
da min. - 67 mm
da max - 71 mm
Da min - 104 mm
Da max. - 108 mm
Db min. - 111 mm
ra max. - 2 mm
rb max. - 2 mm
Weight - 1.65 Kg
Basic dynamic load rating (C) - 149 kN
Basic static load rating (C0) - 170 kN
(Grease) Lubrication Speed - 3300 r/min
(Oil) Lubrication Speed - 4500 r/min
Calculation factor (e) - 0.35
Calculation factor (Y0) - 0.96
Calculation factor (Y1) - 1.74
- #number
- ID(内径)
- OD(外径)
- B(厚度)
KOYO Bearings
2011-01-01
2011-08-11
2012-03-29
2012-12-01
2013-08-12
2014-05-11
2015-02-20
2015-12-09
2016-10-06
2017-08-10
2018-07-03
2019-06-07
2020-05-12
2021-05-03
2022-04-14
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