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


Bearing No. JHM720249/10

Specification data (main dimensions, etc.)

d(mm)100.000
D(mm)160.000
T(mm)41.000
B(mm)40.000
C(mm)32.000
r(min.)(mm)3.0
r1(min.)(mm)2.5
Basic load ratings : Cr(kN)298
Basic load ratings : C0r(kN)378
Fatigue load limit : Cu(kN)54.6
Limiting speeds(Grease lub.)(min-1)2300
Limiting speeds(Oil lub.)(min-1)3000
Load center spread : a(mm)38.3
Constant :e0.47
Axial load factors : Y11.28
Axial load factors : Y00.70

Mounting dimensions,weight (reference)

da(mm)110.0 mm
db(mm)111.0 mm
Da(mm)143.0 mm
Db(mm)153.0 mm
ra(max.)(mm)3.0 mm
rb(max.)(mm)2.5 mm
Mass(Refer.)(kg)3.074 kg
JTEKT

2026/07/06