Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Double-row
  • TDI type
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Bearing No. 45252

Specifications
(Boundary dimensions ...etc)

d(mm)260
D(mm)400
B(mm)104
T(mm)104
r(min.)(mm)4
r1(min.)(mm)5
Basic load ratings : Cr(kN)1320
Basic load ratings : C0r(kN)2120
Fatigue load limit : Cu(kN)227
Limiting speeds(Grease lub.)(min-1)610
Limiting speeds(Oil lub.)(min-1)810
Constant e()0.25
Axial load factors : Y2()2.74
Axial load factors : Y3()4.08
Axial load factors : Y0()2.68

Mounting dimensions

da(max.)(mm)302
Da(max.)(mm)382
Da(min.)(mm)360
Sa(min.)(mm)6
ra(max.)(mm)3
rb(max.)(mm)4

Refer.

(Refer.)Mass(kg) 48.1
JTEKT

2025/05/19