Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Inch series
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Bearing No. H414245/10

Specifications
(Boundary dimensions ...etc)

d(mm)68.262
D(mm)136.525
T(mm)41.275
B(mm)41.275
C(mm)31.750
r(min.)(mm)3.6
r1(min.)(mm)3.2
Basic load ratings : Cr(kN)284
Basic load ratings : C0r(kN)308
Fatigue load limit : Cu(kN)46.1
Limiting speeds(Grease lub.)(min-1)2900
Limiting speeds(Oil lub.)(min-1)3800
Load center spread : a(mm)30.3
Constant :e()0.36
Axial load factors : Y1()1.67
Axial load factors : Y0()0.92

Mounting dimensions

da(mm)86.0
db(mm)82.0
Da(mm)121.0
Db(mm)129.0
ra(max.)(mm)3.6
rb(max.)(mm)3.2

Refer.

(Refer.)Mass(kg) 2.708
JTEKT

2025/06/01