Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Inch series
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Bearing No. L555249/10

Specifications
(Boundary dimensions ...etc)

d(mm)292.100
D(mm)374.650
T(mm)47.625
B(mm)47.625
C(mm)34.925
r(min.)(mm)3.6
r1(min.)(mm)3.2
Basic load ratings : Cr(kN)587
Basic load ratings : C0r(kN)971
Fatigue load limit : Cu(kN)111
Limiting speeds(Grease lub.)(min-1)760
Limiting speeds(Oil lub.)(min-1)1000
Load center spread : a(mm)64.7
Constant :e()0.40
Axial load factors : Y1()1.49
Axial load factors : Y0()0.82

Mounting dimensions

da(mm)306.0
db(mm)309.0
Da(mm)351.0
Db(mm)360.0
ra(max.)(mm)3.6
rb(max.)(mm)3.2

Refer.

(Refer.)Mass(kg) 11.5
JTEKT

2025/06/01