Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Inch series
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Bearing No. JHM318448/10

Specifications
(Boundary dimensions ...etc)

d(mm)90.000
D(mm)155.000
T(mm)44.000
B(mm)44.000
C(mm)35.500
r(min.)(mm)3.0
r1(min.)(mm)2.5
Basic load ratings : Cr(kN)363
Basic load ratings : C0r(kN)407
Fatigue load limit : Cu(kN)54.8
Limiting speeds(Grease lub.)(min-1)2400
Limiting speeds(Oil lub.)(min-1)3200
Load center spread : a(mm)34.5
Constant :e()0.34
Axial load factors : Y1()1.76
Axial load factors : Y0()0.97

Mounting dimensions

da(mm)106.0
db(mm)100.0
Da(mm)140.0
Db(mm)148.0
ra(max.)(mm)3.0
rb(max.)(mm)2.5

Refer.

(Refer.)Mass(kg) 3.37
JTEKT

2025/06/01