Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Inch series
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Bearing No. HM81649/10

Specifications
(Boundary dimensions ...etc)

d(mm)16.000
D(mm)47.000
T(mm)21.000
B(mm)21.000
C(mm)16.000
r(min.)(mm)1.0
r1(min.)(mm)2.0
Basic load ratings : Cr(kN)45.4
Basic load ratings : C0r(kN)37.7
Fatigue load limit : Cu(kN)5.05
Limiting speeds(Grease lub.)(min-1)9800
Limiting speeds(Oil lub.)(min-1)13000
Load center spread : a(mm)15.0
Constant :e()0.55
Axial load factors : Y1()1.10
Axial load factors : Y0()0.60

Mounting dimensions

da(mm)27.5
db(mm)23.0
Da(mm)37.5
Db(mm)43.0
ra(max.)(mm)1.0
rb(max.)(mm)2.0

Refer.

(Refer.)Mass(kg) 0.191
JTEKT

2025/06/01