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


Bearing No. 4TR510L

Specification data (main dimensions, etc.)

d(mm)510
D(mm)655
T(mm)379
W(mm)377
r(min.)(mm)5
r1(min.)(mm)2.5
Basic load ratings : Cr(kN)7020
Basic load ratings : C0r(kN)18600
Fatigue load limit : Cu(kN)1650
Axial load factors : Y2(mm)2.55
Axial load factors : Y33.80
Axial load factors : Y02.50
Constant e0.26

Mounting dimensions,weight (reference)

da(min.)(mm)540 mm
Da(max.)(mm)633 mm
Da(max.)(mm)613 mm
S(min.)(mm)9 mm
ra(max.)(mm)4 mm
rb(max.)(mm)2.5 mm
Axial load factors : Y2(mm)2.55 mm
Axial load factors : Y33.80
Axial load factors : Y02.50
Constant e0.26
Mass(Refer.)(kg)320 kg
JTEKT

2026/07/19