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


Bearing No. JM511946/10

Specification data (main dimensions, etc.)

d(mm)65.000
D(mm)110.000
T(mm)28.000
B(mm)28.000
C(mm)22.500
r(min.)(mm)3.0
r1(min.)(mm)2.8
Basic load ratings : Cr(kN)170
Basic load ratings : C0r(kN)191
Fatigue load limit : Cu(kN)29.4
Limiting speeds(Grease lub.)(min-1)3400
Limiting speeds(Oil lub.)(min-1)4600
Load center spread : a(mm)24.5
Constant :e0.40
Axial load factors : Y11.49
Axial load factors : Y00.82

Mounting dimensions,weight (reference)

da(mm)78.0 mm
db(mm)72.0 mm
Da(mm)99.0 mm
Db(mm)105.0 mm
ra(max.)(mm)3.0 mm
rb(max.)(mm)2.8 mm
Mass(Refer.)(kg)1.071 kg
JTEKT

2026/07/05