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


Bearing No. 782/772

Specification data (main dimensions, etc.)

d(mm)104.775
D(mm)180.975
T(mm)47.625
B(mm)48.006
C(mm)38.100
r(min.)(mm)3.6
r1(min.)(mm)3.2
Basic load ratings : Cr(kN)362
Basic load ratings : C0r(kN)438
Fatigue load limit : Cu(kN)56.6
Limiting speeds(Grease lub.)(min-1)2100
Limiting speeds(Oil lub.)(min-1)2800
Load center spread : a(mm)39.5
Constant :e0.39
Axial load factors : Y11.56
Axial load factors : Y00.86

Mounting dimensions,weight (reference)

da(mm)117.0 mm
db(mm)120.0 mm
Da(mm)156.0 mm
Db(mm)165.0 mm
ra(max.)(mm)3.6 mm
rb(max.)(mm)3.2 mm
Mass(Refer.)(kg)4.82 kg
JTEKT

2026/07/05