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

Bearing No. 45228

Specifications
(Boundary dimensions ...etc)

d(mm)140
D(mm)210
B(mm)53
T(mm)53
r(min.)(mm)2
r1(min.)(mm)2.5
Basic load ratings : Cr(kN)390
Basic load ratings : C0r(kN)564
Fatigue load limit : Cu(kN)76.9
Limiting speeds(Grease lub.)(min-1)1300
Limiting speeds(Oil lub.)(min-1)1800
Constant e()0.27
Axial load factors : Y2()2.47
Axial load factors : Y3()3.67
Axial load factors : Y0()2.41

Mounting dimensions

da(max.)(mm)159
Da(max.)(mm)200
Da(min.)(mm)188
Sa(min.)(mm)4
ra(max.)(mm)2
rb(max.)(mm)2

Refer.

(Refer.)Mass(kg) 6.45
JTEKT

2025/06/01