Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Inch series


Bearing No. L555249/10

Specification data (main 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 :e0.40
Axial load factors : Y11.49
Axial load factors : Y00.82

Mounting dimensions,weight (reference)

da(mm)306.0 mm
db(mm)309.0 mm
Da(mm)351.0 mm
Db(mm)360.0 mm
ra(max.)(mm)3.6 mm
rb(max.)(mm)3.2 mm
Mass(Refer.)(kg)11.5 kg
JTEKT

2026/07/19