Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Inch series
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Bearing No. HM617049/10

Specifications
(Boundary dimensions ...etc)

d(mm)85.725
D(mm)142.138
T(mm)42.862
B(mm)42.862
C(mm)34.133
r(min.)(mm)4.8
r1(min.)(mm)3.2
Basic load ratings : Cr(kN)276
Basic load ratings : C0r(kN)351
Fatigue load limit : Cu(kN)52.4
Limiting speeds(Grease lub.)(min-1)2600
Limiting speeds(Oil lub.)(min-1)3500
Load center spread : a(mm)35.2
Constant :e()0.43
Axial load factors : Y1()1.39
Axial load factors : Y0()0.76

Mounting dimensions

da(mm)106.0
db(mm)95.7
Da(mm)125.0
Db(mm)137.0
ra(max.)(mm)4.8
rb(max.)(mm)3.2

Refer.

(Refer.)Mass(kg) 2.622
JTEKT

2025/06/01