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

Bearing No. 4TR610

Specifications
(Boundary dimensions ...etc)

d(mm)609.600
D(mm)817.400
T(mm)361.950
W(mm)361.950
r(min.)(mm)6.4
r1(min.)(mm)3.2
Basic load ratings : Cr(kN)7820
Basic load ratings : C0r(kN)18200
Fatigue load limit : Cu(kN)1590
Axial load factors : Y2(mm)2.03
Axial load factors : Y3()3.02
Axial load factors : Y0()1.98
Constant e()0.33

Mounting dimensions

da(min.)(mm)660
Da(max.)(mm)793
Da(max.)(mm)766
S(min.)(mm)7
ra(max.)(mm)6.4
rb(max.)(mm)3.2
Axial load factors : Y2(mm)2.03
Axial load factors : Y3()3.02
Axial load factors : Y0()1.98
Constant e()0.33

Refer.

(Refer.)Mass(kg) 531
JTEKT

2025/06/01