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


Bearing No. 4TR514A

Specification data (main dimensions, etc.)

d(mm)514.350
D(mm)673.100
T(mm)422.275
W(mm)422.275
r(min.)(mm)6.4
r1(min.)(mm)3.2
Basic load ratings : Cr(kN)7710
Basic load ratings : C0r(kN)20100
Fatigue load limit : Cu(kN)1730
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)545 mm
Da(max.)(mm)650 mm
Da(max.)(mm)630 mm
S(min.)(mm)11 mm
ra(max.)(mm)6.4 mm
rb(max.)(mm)3.2 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)392 kg
JTEKT

2026/07/19