Koyo
FOR REFERENCE ONLY
  • Rolling mill roll neck bearings
  • Four-row tapered roller bearings
>

Bearing No. 47T986339B

Specifications
(Boundary dimensions ...etc)

d(mm)490
D(mm)625
T(mm)385
W(mm)385
r(min.)(mm)4
r1(min.)(mm)1.5
Basic load ratings : Cr(kN)5960
Basic load ratings : C0r(kN)16600
Fatigue load limit : Cu(kN)1460
Axial load factors : Y2(mm)2.12
Axial load factors : Y3()3.15
Axial load factors : Y0()2.07
Constant e()0.32

Mounting dimensions

da(min.)(mm)517
Da(max.)(mm)607
Da(max.)(mm)587
S(min.)(mm)4.5
ra(max.)(mm)3
rb(max.)(mm)1.5
Axial load factors : Y2(mm)2.12
Axial load factors : Y3()3.15
Axial load factors : Y0()2.07
Constant e()0.32

Refer.

(Refer.)Mass(kg) 285
JTEKT

2025/06/01