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

Bearing No. 4TR559J

Specifications
(Boundary dimensions ...etc)

d(mm)558.800
D(mm)736.600
T(mm)409.575
W(mm)409.575
r(min.)(mm)6.4
r1(min.)(mm)3.2
Basic load ratings : Cr(kN)7430
Basic load ratings : C0r(kN)18800
Fatigue load limit : Cu(kN)1630
Axial load factors : Y2(mm)1.95
Axial load factors : Y3()2.90
Axial load factors : Y0()1.91
Constant e()0.35

Mounting dimensions

da(min.)(mm)598
Da(max.)(mm)712
Da(max.)(mm)691
S(min.)(mm)10
ra(max.)(mm)6.4
rb(max.)(mm)3.2
Axial load factors : Y2(mm)1.95
Axial load factors : Y3()2.90
Axial load factors : Y0()1.91
Constant e()0.35

Refer.

(Refer.)Mass(kg) 463
JTEKT

2025/06/18