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

Bearing No. 4TR19A

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)6.4
Basic load ratings : Cr(kN)5190
Basic load ratings : C0r(kN)13400
Fatigue load limit : Cu(kN)1220
Axial load factors : Y2(mm)1.54
Axial load factors : Y3()2.30
Axial load factors : Y0()1.51
Constant e()0.44

Mounting dimensions

da(min.)(mm)512
Da(max.)(mm)593
Da(max.)(mm)573
S(min.)(mm)6.5
ra(max.)(mm)6.4
rb(max.)(mm)6.4
Axial load factors : Y2(mm)1.54
Axial load factors : Y3()2.30
Axial load factors : Y0()1.51
Constant e()0.44

Refer.

(Refer.)Mass(kg) 240
JTEKT

2025/06/01