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

Bearing No. 4TR609

Specifications
(Boundary dimensions ...etc)

d(mm)609.600
D(mm)813.562
T(mm)479.425
W(mm)479.425
r(min.)(mm)6.4
r1(min.)(mm)3.2
Basic load ratings : Cr(kN)10000
Basic load ratings : C0r(kN)27100
Fatigue load limit : Cu(kN)2210
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)657
Da(max.)(mm)789
Da(max.)(mm)759
S(min.)(mm)9
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) 710
JTEKT

2025/06/01