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


Bearing No. L540049/10

Specification data (main dimensions, etc.)

d(mm)196.850
D(mm)254.000
T(mm)28.575
B(mm)27.783
C(mm)21.433
r(min.)(mm)1.6
r1(min.)(mm)1.6
Basic load ratings : Cr(kN)236
Basic load ratings : C0r(kN)387
Fatigue load limit : Cu(kN)48.2
Limiting speeds(Grease lub.)(min-1)1200
Limiting speeds(Oil lub.)(min-1)1600
Load center spread : a(mm)43.1
Constant :e0.40
Axial load factors : Y11.51
Axial load factors : Y00.83

Mounting dimensions,weight (reference)

da(mm)206.0 mm
db(mm)214.0 mm
Da(mm)238.0 mm
Db(mm)245.0 mm
ra(max.)(mm)1.6 mm
rb(max.)(mm)1.6 mm
Mass(Refer.)(kg)3.36 kg
JTEKT

2026/07/23