Koyo Japan ของแท้ 30311DJR PINION แคนเตอร์หลัง 125T DYNA HT125 30311D (mm) : 55x120x31.5 Tapered roller bearing

Koyo Japan ของแท้ 30311DJR PINION แคนเตอร์หลัง 125T DYNA HT125 30311D (mm) : 55x120x31.5 Tapered roller bearing




Bearing No. 30311DJR
Specifications
(Boundary dimensions ...etc)
d(mm) 55
D(mm) 120
T(mm) 31.5
B(mm) 29
C(mm) 21
r(min.)(mm) 2.5
r1(min.)(mm) 2
Basic load ratings : Cr(kN) 161
Basic load ratings : C0r(kN) 148
Fatigue load limit : Cu(kN) 22.3
Limiting speeds(Grease lub.)(min-1) 2900
Limiting speeds(Oil lub.)(min-1) 4000
Load center spread : a(mm) 38.4
Constant e() 0.83
Axial load factors : Y1() 0.73
Axial load factors : Y0() 0.40
Mounting dimensions
da(min.)(mm) 67
db(max.)(mm) 68
Da(max.)(mm) 108
da(min.)(mm) 94
db(min.)(mm) 113
Sa(min.)(mm) 4
Sb(min.)(mm) 10.5
ra(max.)(mm) 2
rb(max.)(mm) 2
Refer.
(Refer.)Mass(kg) 1.59