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


Bearing No. JLM506849/10

Specification data (main dimensions, etc.)

d(mm)55.000
D(mm)90.000
T(mm)23.000
B(mm)23.000
C(mm)18.500
r(min.)(mm)1.6
r1(min.)(mm)0.5
Basic load ratings : Cr(kN)102
Basic load ratings : C0r(kN)115
Fatigue load limit : Cu(kN)17.2
Limiting speeds(Grease lub.)(min-1)4200
Limiting speeds(Oil lub.)(min-1)5500
Load center spread : a(mm)20.1
Constant :e0.40
Axial load factors : Y11.49
Axial load factors : Y00.82

Mounting dimensions,weight (reference)

da(mm)63.0 mm
db(mm)61.0 mm
Da(mm)82.0 mm
Db(mm)86.0 mm
ra(max.)(mm)1.6 mm
rb(max.)(mm)0.5 mm
Mass(Refer.)(kg)0.553 kg
JTEKT

2026/07/14