Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Inch series
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Bearing No. JLM506849/10

Specifications
(Boundary 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 :e()0.40
Axial load factors : Y1()1.49
Axial load factors : Y0()0.82

Mounting dimensions

da(mm)63.0
db(mm)61.0
Da(mm)82.0
Db(mm)86.0
ra(max.)(mm)1.6
rb(max.)(mm)0.5

Refer.

(Refer.)Mass(kg) 0.553
JTEKT

2025/06/01