Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Inch series
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Bearing No. JHM807045/12

Specifications
(Boundary dimensions ...etc)

d(mm)50.000
D(mm)105.000
T(mm)37.000
B(mm)36.000
C(mm)29.000
r(min.)(mm)3.0
r1(min.)(mm)2.8
Basic load ratings : Cr(kN)186
Basic load ratings : C0r(kN)205
Fatigue load limit : Cu(kN)30.6
Limiting speeds(Grease lub.)(min-1)3800
Limiting speeds(Oil lub.)(min-1)5100
Load center spread : a(mm)29.4
Constant :e()0.49
Axial load factors : Y1()1.23
Axial load factors : Y0()0.68

Mounting dimensions

da(mm)69.0
db(mm)63.0
Da(mm)90.0
Db(mm)100.0
ra(max.)(mm)3.0
rb(max.)(mm)2.8

Refer.

(Refer.)Mass(kg) 1.533
JTEKT

2025/06/01