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

Bearing No. 4TR750

Specifications
(Boundary dimensions ...etc)

d(mm)750.000
D(mm)950.000
T(mm)410.000
W(mm)410.000
r(min.)(mm)4
r1(min.)(mm)2.5
Basic load ratings : Cr(kN)10400
Basic load ratings : C0r(kN)29000
Fatigue load limit : Cu(kN)2320
Axial load factors : Y2(mm)1.68
Axial load factors : Y3()2.50
Axial load factors : Y0()1.68
Constant e()0.40

Mounting dimensions

da(min.)(mm)791
Da(max.)(mm)929
Da(max.)(mm)900
S(min.)(mm)11.5
ra(max.)(mm)4
rb(max.)(mm)2
Axial load factors : Y2(mm)1.68
Axial load factors : Y3()2.50
Axial load factors : Y0()1.68
Constant e()0.40

Refer.

(Refer.)Mass(kg) 705
JTEKT

2025/06/01