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


Bearing No. 47T986339B

Specification data (main dimensions, etc.)

d(mm)490
D(mm)625
T(mm)385
W(mm)385
r(min.)(mm)4
r1(min.)(mm)1.5
Basic load ratings : Cr(kN)5960
Basic load ratings : C0r(kN)16600
Fatigue load limit : Cu(kN)1460
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)517 mm
Da(max.)(mm)607 mm
Da(max.)(mm)587 mm
S(min.)(mm)4.5 mm
ra(max.)(mm)3 mm
rb(max.)(mm)1.5 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)285 kg
JTEKT

2026/07/19