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


Bearing No. HM89449/11

Specification data (main dimensions, etc.)

d(mm)36.512
D(mm)76.200
T(mm)29.370
B(mm)28.575
C(mm)23.020
r(min.)(mm)3.6
r1(min.)(mm)0.8
Basic load ratings : Cr(kN)99.5
Basic load ratings : C0r(kN)107
Fatigue load limit : Cu(kN)15.2
Limiting speeds(Grease lub.)(min-1)5400
Limiting speeds(Oil lub.)(min-1)7200
Load center spread : a(mm)23.9
Constant :e0.55
Axial load factors : Y11.10
Axial load factors : Y00.60

Mounting dimensions,weight (reference)

da(mm)54.0 mm
db(mm)44.5 mm
Da(mm)65.0 mm
Db(mm)73.0 mm
ra(max.)(mm)3.6 mm
rb(max.)(mm)0.8 mm
Mass(Refer.)(kg)0.644 kg
JTEKT

2026/07/21