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


Bearing No. L327249/10

Specification data (main dimensions, etc.)

d(mm)133.350
D(mm)177.008
T(mm)25.400
B(mm)26.195
C(mm)20.638
r(min.)(mm)1.6
r1(min.)(mm)1.6
Basic load ratings : Cr(kN)176
Basic load ratings : C0r(kN)278
Fatigue load limit : Cu(kN)38.2
Limiting speeds(Grease lub.)(min-1)1900
Limiting speeds(Oil lub.)(min-1)2500
Load center spread : a(mm)29.1
Constant :e0.35
Axial load factors : Y11.72
Axial load factors : Y00.95

Mounting dimensions,weight (reference)

da(mm)142.0 mm
db(mm)145.0 mm
Da(mm)164.0 mm
Db(mm)171.0 mm
ra(max.)(mm)1.6 mm
rb(max.)(mm)1.6 mm
Mass(Refer.)(kg)1.683 kg
JTEKT

2026/07/19