Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Double-row
  • TDO type
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Bearing No. 46252A

Specifications
(Boundary dimensions ...etc)

d(mm)260
D(mm)400
T(mm)130
C(mm)104
r(min.)(mm)5
r1(min.)(mm)1.5
Basic load ratings : Cr(kN)1520
Basic load ratings : C0r(kN)2480
Fatigue load limit : Cu(kN)265
Limiting speeds(Grease lub.)(min-1)610
Limiting speeds(Oil lub.)(min-1)810
Constant e()0.32
Axial load factors : Y2()2.12
Axial load factors : Y3()3.15
Axial load factors : Y0()2.07

Mounting dimensions

da(min.)(mm)282
Da(min.)(mm)376
Sa(min.)(mm)13
ra(max.)(mm)4
rb(max.)(mm)1.5

Refer.

(Refer.)Mass(kg) 54.8
JTEKT

2025/07/01