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

Bearing No. 4TR19D

Specifications
(Boundary dimensions ...etc)

d(mm)482.600
D(mm)615.950
T(mm)330.200
W(mm)330.200
r(min.)(mm)6.4
r1(min.)(mm)3.2
Basic load ratings : Cr(kN)5600
Basic load ratings : C0r(kN)15000
Fatigue load limit : Cu(kN)1330
Axial load factors : Y2(mm)1.87
Axial load factors : Y3()2.79
Axial load factors : Y0()1.83
Constant e()0.36

Mounting dimensions

da(min.)(mm)508
Da(max.)(mm)593
Da(max.)(mm)573
S(min.)(mm)10
ra(max.)(mm)6.4
rb(max.)(mm)3.2
Axial load factors : Y2(mm)1.87
Axial load factors : Y3()2.79
Axial load factors : Y0()1.83
Constant e()0.36

Refer.

(Refer.)Mass(kg) 240
JTEKT

2025/06/01