Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Double-row
  • TDI type
>

Bearing No. 45230

Specifications
(Boundary dimensions ...etc)

d(mm)150
D(mm)225
B(mm)56
T(mm)56
r(min.)(mm)2.5
r1(min.)(mm)3
Basic load ratings : Cr(kN)445
Basic load ratings : C0r(kN)686
Fatigue load limit : Cu(kN)91.6
Limiting speeds(Grease lub.)(min-1)1200
Limiting speeds(Oil lub.)(min-1)1600
Constant e()0.26
Axial load factors : Y2()2.55
Axial load factors : Y3()3.80
Axial load factors : Y0()2.50

Mounting dimensions

da(max.)(mm)174
Da(max.)(mm)213
Da(min.)(mm)203
Sa(min.)(mm)4
ra(max.)(mm)2
rb(max.)(mm)2.5

Refer.

(Refer.)Mass(kg) 7.87
JTEKT

2025/06/01