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


Bearing No. L45449/10

Specification data (main dimensions, etc.)

d(mm)29.000
D(mm)50.292
T(mm)14.224
B(mm)14.732
C(mm)10.668
r(min.)(mm)3.6
r1(min.)(mm)1.2
Basic load ratings : Cr(kN)36.3
Basic load ratings : C0r(kN)37.2
Fatigue load limit : Cu(kN)5.15
Limiting speeds(Grease lub.)(min-1)7600
Limiting speeds(Oil lub.)(min-1)10000
Load center spread : a(mm)10.9
Constant :e0.37
Axial load factors : Y11.62
Axial load factors : Y00.89

Mounting dimensions,weight (reference)

da(mm)39.5 mm
db(mm)33.0 mm
Da(mm)44.5 mm
Db(mm)48.0 mm
ra(max.)(mm)3.6 mm
rb(max.)(mm)1.2 mm
Mass(Refer.)(kg)0.115 kg
JTEKT

2026/07/18