Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Inch series
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Bearing No. HM803145/10

Specifications
(Boundary dimensions ...etc)

d(mm)41.275
D(mm)88.900
T(mm)30.162
B(mm)29.370
C(mm)23.020
r(min.)(mm)0.8
r1(min.)(mm)3.2
Basic load ratings : Cr(kN)124
Basic load ratings : C0r(kN)125
Fatigue load limit : Cu(kN)18.5
Limiting speeds(Grease lub.)(min-1)4600
Limiting speeds(Oil lub.)(min-1)6100
Load center spread : a(mm)26.1
Constant :e()0.55
Axial load factors : Y1()1.10
Axial load factors : Y0()0.60

Mounting dimensions

da(mm)54.0
db(mm)53.0
Da(mm)74.0
Db(mm)85.0
ra(max.)(mm)0.8
rb(max.)(mm)3.2

Refer.

(Refer.)Mass(kg) 0.895
JTEKT

2025/06/01