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


Bearing No. 37244

Specification data (main dimensions, etc.)

d(mm)220
D(mm)310
T(mm)226
W(mm)226
r(min.)(mm)3
r1(min.)(mm)4
Basic load ratings : Cr(kN)1810
Basic load ratings : C0r(kN)3880
Fatigue load limit : Cu(kN)425
Axial load factors : Y2(mm)2.03
Axial load factors : Y33.02
Axial load factors : Y01.98
Constant e0.33

Mounting dimensions,weight (reference)

da(min.)(mm)242 mm
Da(max.)(mm)296 mm
Da(max.)(mm)285 mm
S(min.)(mm)6 mm
ra(max.)(mm)2.5 mm
rb(max.)(mm)3 mm
Axial load factors : Y2(mm)2.03 mm
Axial load factors : Y33.02
Axial load factors : Y01.98
Constant e0.33
Mass(Refer.)(kg)52 kg
JTEKT

2026/07/19