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


Bearing No. HH228340/10

Specification data (main dimensions, etc.)

d(mm)120.650
D(mm)254.000
T(mm)77.788
B(mm)82.550
C(mm)61.912
r(min.)(mm)9.5
r1(min.)(mm)6.4
Basic load ratings : Cr(kN)895
Basic load ratings : C0r(kN)1050
Fatigue load limit : Cu(kN)125
Limiting speeds(Grease lub.)(min-1)1500
Limiting speeds(Oil lub.)(min-1)2000
Load center spread : a(mm)54.3
Constant :e0.32
Axial load factors : Y11.87
Axial load factors : Y01.03

Mounting dimensions,weight (reference)

da(mm)158.0 mm
db(mm)142.0 mm
Da(mm)223.0 mm
Db(mm)234.0 mm
ra(max.)(mm)9.5 mm
rb(max.)(mm)6.4 mm
Mass(Refer.)(kg)18.6 kg
JTEKT

2026/07/08