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


Bearing No. HM801349/10

Specification data (main dimensions, etc.)

d(mm)40.483
D(mm)82.550
T(mm)29.370
B(mm)28.575
C(mm)23.020
r(min.)(mm)3.6
r1(min.)(mm)3.2
Basic load ratings : Cr(kN)109
Basic load ratings : C0r(kN)117
Fatigue load limit : Cu(kN)16.9
Limiting speeds(Grease lub.)(min-1)4900
Limiting speeds(Oil lub.)(min-1)6600
Load center spread : a(mm)24.4
Constant :e0.55
Axial load factors : Y11.10
Axial load factors : Y00.60

Mounting dimensions,weight (reference)

da(mm)58.0 mm
db(mm)49.0 mm
Da(mm)68.0 mm
Db(mm)78.0 mm
ra(max.)(mm)3.6 mm
rb(max.)(mm)3.2 mm
Mass(Refer.)(kg)0.732 kg
JTEKT

2026/07/19