Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Inch series
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Bearing No. L540049/10

Specifications
(Boundary 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 :e()0.40
Axial load factors : Y1()1.51
Axial load factors : Y0()0.83

Mounting dimensions

da(mm)206.0
db(mm)214.0
Da(mm)238.0
Db(mm)245.0
ra(max.)(mm)1.6
rb(max.)(mm)1.6

Refer.

(Refer.)Mass(kg) 3.36
JTEKT

2025/06/01