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


Bearing No. 4TR3827

Specification data (main dimensions, etc.)

d(mm)190.000
D(mm)270.000
T(mm)190.000
W(mm)190.000
r(min.)(mm)3.2
r1(min.)(mm)1.6
Basic load ratings : Cr(kN)1250
Basic load ratings : C0r(kN)2810
Fatigue load limit : Cu(kN)313
Axial load factors : Y2(mm)1.42
Axial load factors : Y32.11
Axial load factors : Y01.38
Constant e0.48

Mounting dimensions,weight (reference)

da(min.)(mm)208 mm
Da(max.)(mm)257 mm
Da(max.)(mm)244 mm
S(min.)(mm)6 mm
ra(max.)(mm)3.2 mm
rb(max.)(mm)1.6 mm
Axial load factors : Y2(mm)1.42 mm
Axial load factors : Y32.11
Axial load factors : Y01.38
Constant e0.48
Mass(Refer.)(kg)34.7 kg
JTEKT

2026/07/07