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


Bearing No. 449/432

Specification data (main dimensions, etc.)

d(mm)34.925
D(mm)95.250
T(mm)27.783
B(mm)29.901
C(mm)22.225
r(min.)(mm)0.8
r1(min.)(mm)2.4
Basic load ratings : Cr(kN)129
Basic load ratings : C0r(kN)122
Fatigue load limit : Cu(kN)18.8
Limiting speeds(Grease lub.)(min-1)4500
Limiting speeds(Oil lub.)(min-1)5900
Load center spread : a(mm)18.4
Constant :e0.28
Axial load factors : Y12.11
Axial load factors : Y01.16

Mounting dimensions,weight (reference)

da(mm)44.0 mm
db(mm)43.5 mm
Da(mm)83.0 mm
Db(mm)87.0 mm
ra(max.)(mm)0.8 mm
rb(max.)(mm)2.4 mm
Mass(Refer.)(kg)1.07 kg
JTEKT

2026/07/05