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


Bearing No. HM803146/10

Specification data (main dimensions, etc.)

d(mm)41.275
D(mm)88.900
T(mm)30.162
B(mm)29.370
C(mm)23.020
r(min.)(mm)3.6
r1(min.)(mm)3.2
Basic load ratings : Cr(kN)124
Basic load ratings : C0r(kN)125
Fatigue load limit : Cu(kN)18.5
Limiting speeds(Grease lub.)(min-1)4600
Limiting speeds(Oil lub.)(min-1)6100
Load center spread : a(mm)26.1
Constant :e0.55
Axial load factors : Y11.10
Axial load factors : Y00.60

Mounting dimensions,weight (reference)

da(mm)60.0 mm
db(mm)53.0 mm
Da(mm)74.0 mm
Db(mm)85.0 mm
ra(max.)(mm)3.6 mm
rb(max.)(mm)3.2 mm
Mass(Refer.)(kg)0.892 kg
JTEKT

2026/07/05