Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Inch series
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Bearing No. HM813840/10

Specifications
(Boundary dimensions ...etc)

d(mm)55.562
D(mm)127.000
T(mm)36.512
B(mm)36.512
C(mm)26.988
r(min.)(mm)3.6
r1(min.)(mm)3.2
Basic load ratings : Cr(kN)209
Basic load ratings : C0r(kN)235
Fatigue load limit : Cu(kN)36.2
Limiting speeds(Grease lub.)(min-1)3000
Limiting speeds(Oil lub.)(min-1)4000
Load center spread : a(mm)32.9
Constant :e()0.50
Axial load factors : Y1()1.20
Axial load factors : Y0()0.66

Mounting dimensions

da(mm)76.0
db(mm)70.0
Da(mm)111.0
Db(mm)121.0
ra(max.)(mm)3.6
rb(max.)(mm)3.2

Refer.

(Refer.)Mass(kg) 2.326
JTEKT

2025/06/01