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


Bearing No. 4TR510A

Specification data (main dimensions, etc.)

d(mm)509.948
D(mm)654.924
T(mm)379.000
W(mm)377.000
r(min.)(mm)6.4
r1(min.)(mm)1.6
Basic load ratings : Cr(kN)6220
Basic load ratings : C0r(kN)16700
Fatigue load limit : Cu(kN)1460
Axial load factors : Y2(mm)1.64
Axial load factors : Y32.44
Axial load factors : Y01.60
Constant e0.41

Mounting dimensions,weight (reference)

da(min.)(mm)534 mm
Da(max.)(mm)632 mm
Da(max.)(mm)612 mm
S(min.)(mm)7 mm
ra(max.)(mm)6.4 mm
rb(max.)(mm)1.6 mm
Axial load factors : Y2(mm)1.64 mm
Axial load factors : Y32.44
Axial load factors : Y01.60
Constant e0.41
Mass(Refer.)(kg)315 kg
JTEKT

2026/07/19