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

Bearing No. 45280

Specifications
(Boundary dimensions ...etc)

d(mm)400
D(mm)600
B(mm)148
T(mm)148
r(min.)(mm)5
r1(min.)(mm)6
Basic load ratings : Cr(kN)3020
Basic load ratings : C0r(kN)4960
Fatigue load limit : Cu(kN)478
Limiting speeds(Grease lub.)(min-1)340
Limiting speeds(Oil lub.)(min-1)450
Constant e()0.33
Axial load factors : Y2()2.03
Axial load factors : Y3()3.02
Axial load factors : Y0()1.98

Mounting dimensions

da(max.)(mm)452
Da(max.)(mm)578
Da(min.)(mm)545
Sa(min.)(mm)6
ra(max.)(mm)4
rb(max.)(mm)5

Refer.

(Refer.)Mass(kg) 143
JTEKT

2025/06/01