Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Inch series
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Bearing No. HM518445/10

Specifications
(Boundary dimensions ...etc)

d(mm)88.900
D(mm)152.400
T(mm)39.688
B(mm)39.688
C(mm)30.162
r(min.)(mm)6.4
r1(min.)(mm)3.2
Basic load ratings : Cr(kN)311
Basic load ratings : C0r(kN)359
Fatigue load limit : Cu(kN)53.5
Limiting speeds(Grease lub.)(min-1)2400
Limiting speeds(Oil lub.)(min-1)3200
Load center spread : a(mm)33.1
Constant :e()0.40
Axial load factors : Y1()1.49
Axial load factors : Y0()0.82

Mounting dimensions

da(mm)110.0
db(mm)98.0
Da(mm)135.0
Db(mm)146.0
ra(max.)(mm)6.4
rb(max.)(mm)3.2

Refer.

(Refer.)Mass(kg) 2.868
JTEKT

2025/07/03