Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Inch series
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Bearing No. JM714249/10

Specifications
(Boundary dimensions ...etc)

d(mm)75.000
D(mm)120.000
T(mm)31.000
B(mm)29.500
C(mm)25.000
r(min.)(mm)3.0
r1(min.)(mm)2.8
Basic load ratings : Cr(kN)182
Basic load ratings : C0r(kN)216
Fatigue load limit : Cu(kN)33.2
Limiting speeds(Grease lub.)(min-1)3100
Limiting speeds(Oil lub.)(min-1)4100
Load center spread : a(mm)30.0
Constant :e()0.44
Axial load factors : Y1()1.35
Axial load factors : Y0()0.74

Mounting dimensions

da(mm)88.0
db(mm)82.9
Da(mm)108.0
Db(mm)115.0
ra(max.)(mm)3.0
rb(max.)(mm)2.8

Refer.

(Refer.)Mass(kg) 1.276
JTEKT

2025/06/13