Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Inch series
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Bearing No. JLM813049/10

Specifications
(Boundary dimensions ...etc)

d(mm)70.000
D(mm)110.000
T(mm)26.000
B(mm)25.000
C(mm)20.500
r(min.)(mm)1.0
r1(min.)(mm)2.5
Basic load ratings : Cr(kN)129
Basic load ratings : C0r(kN)158
Fatigue load limit : Cu(kN)23.9
Limiting speeds(Grease lub.)(min-1)3300
Limiting speeds(Oil lub.)(min-1)4400
Load center spread : a(mm)26.1
Constant :e()0.49
Axial load factors : Y1()1.23
Axial load factors : Y0()0.68

Mounting dimensions

da(mm)78.0
db(mm)77.0
Da(mm)98.0
Db(mm)105.0
ra(max.)(mm)1.0
rb(max.)(mm)2.5

Refer.

(Refer.)Mass(kg) 0.89
JTEKT

2025/06/01