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


Bearing No. 4TR635

Specification data (main dimensions, etc.)

d(mm)635
D(mm)900
T(mm)660
W(mm)660
r(min.)(mm)6
r1(min.)(mm)6
Basic load ratings : Cr(kN)16100
Basic load ratings : C0r(kN)39700
Fatigue load limit : Cu(kN)3080
Axial load factors : Y2(mm)2.03
Axial load factors : Y33.02
Axial load factors : Y01.98
Constant e0.33

Mounting dimensions,weight (reference)

da(min.)(mm)690 mm
Da(max.)(mm)872 mm
Da(max.)(mm)832 mm
S(min.)(mm)7 mm
ra(max.)(mm)5 mm
rb(max.)(mm)5 mm
Axial load factors : Y2(mm)2.03 mm
Axial load factors : Y33.02
Axial load factors : Y01.98
Constant e0.33
Mass(Refer.)(kg)1350 kg
JTEKT

2026/07/19