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


Bearing No. 4TR750

Specification data (main 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 : Y32.50
Axial load factors : Y01.68
Constant e0.40

Mounting dimensions,weight (reference)

da(min.)(mm)791 mm
Da(max.)(mm)929 mm
Da(max.)(mm)900 mm
S(min.)(mm)11.5 mm
ra(max.)(mm)4 mm
rb(max.)(mm)2 mm
Axial load factors : Y2(mm)1.68 mm
Axial load factors : Y32.50
Axial load factors : Y01.68
Constant e0.40
Mass(Refer.)(kg)705 kg
JTEKT

2026/07/19