Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Inch series
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Bearing No. JM720249/10

Specifications
(Boundary dimensions ...etc)

d(mm)100.000
D(mm)155.000
T(mm)36.000
B(mm)35.000
C(mm)28.000
r(min.)(mm)3.0
r1(min.)(mm)2.5
Basic load ratings : Cr(kN)256
Basic load ratings : C0r(kN)328
Fatigue load limit : Cu(kN)47.7
Limiting speeds(Grease lub.)(min-1)2300
Limiting speeds(Oil lub.)(min-1)3100
Load center spread : a(mm)35.6
Constant :e()0.47
Axial load factors : Y1()1.27
Axial load factors : Y0()0.70

Mounting dimensions

da(mm)110.0
db(mm)110.0
Da(mm)139.0
Db(mm)148.0
ra(max.)(mm)3.0
rb(max.)(mm)2.5

Refer.

(Refer.)Mass(kg) 2.403
JTEKT

2025/06/01