Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Inch series


Bearing No. HM813844/11

Specification data (main dimensions, etc.)

d(mm)66.675
D(mm)127.000
T(mm)36.512
B(mm)36.512
C(mm)26.988
r(min.)(mm)3.6
r1(min.)(mm)1.6
Basic load ratings : Cr(kN)209
Basic load ratings : C0r(kN)235
Fatigue load limit : Cu(kN)36.2
Limiting speeds(Grease lub.)(min-1)3000
Limiting speeds(Oil lub.)(min-1)4000
Load center spread : a(mm)32.9
Constant :e0.50
Axial load factors : Y11.20
Axial load factors : Y00.66

Mounting dimensions,weight (reference)

da(mm)85.0 mm
db(mm)78.0 mm
Da(mm)113.0 mm
Db(mm)121.0 mm
ra(max.)(mm)3.6 mm
rb(max.)(mm)1.6 mm
Mass(Refer.)(kg)2.042 kg
JTEKT

2026/06/30