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


Bearing No. 4TR530B

Specification data (main dimensions, etc.)

d(mm)530
D(mm)750
T(mm)480
W(mm)480
r(min.)(mm)6
r1(min.)(mm)6
Basic load ratings : Cr(kN)10700
Basic load ratings : C0r(kN)24700
Fatigue load limit : Cu(kN)2110
Axial load factors : Y2(mm)2.12
Axial load factors : Y33.15
Axial load factors : Y02.07
Constant e0.32

Mounting dimensions,weight (reference)

da(min.)(mm)584 mm
Da(max.)(mm)722 mm
Da(max.)(mm)695 mm
S(min.)(mm)11.5 mm
ra(max.)(mm)5 mm
rb(max.)(mm)5 mm
Axial load factors : Y2(mm)2.12 mm
Axial load factors : Y33.15
Axial load factors : Y02.07
Constant e0.32
Mass(Refer.)(kg)680 kg
JTEKT

2026/07/19