Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Inch series
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Bearing No. HM89449/11

Specifications
(Boundary dimensions ...etc)

d(mm)36.512
D(mm)76.200
T(mm)29.370
B(mm)28.575
C(mm)23.020
r(min.)(mm)3.6
r1(min.)(mm)0.8
Basic load ratings : Cr(kN)99.5
Basic load ratings : C0r(kN)107
Fatigue load limit : Cu(kN)15.2
Limiting speeds(Grease lub.)(min-1)5400
Limiting speeds(Oil lub.)(min-1)7200
Load center spread : a(mm)23.9
Constant :e()0.55
Axial load factors : Y1()1.10
Axial load factors : Y0()0.60

Mounting dimensions

da(mm)54.0
db(mm)44.5
Da(mm)65.0
Db(mm)73.0
ra(max.)(mm)3.6
rb(max.)(mm)0.8

Refer.

(Refer.)Mass(kg) 0.644
JTEKT

2025/05/31