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


Bearing No. 359S/354A

Specification data (main dimensions, etc.)

d(mm)46.038
D(mm)85.000
T(mm)20.638
B(mm)21.692
C(mm)17.462
r(min.)(mm)2.4
r1(min.)(mm)1.2
Basic load ratings : Cr(kN)89.6
Basic load ratings : C0r(kN)81.7
Fatigue load limit : Cu(kN)12.4
Limiting speeds(Grease lub.)(min-1)4600
Limiting speeds(Oil lub.)(min-1)6200
Load center spread : a(mm)15.5
Constant :e0.31
Axial load factors : Y11.96
Axial load factors : Y01.08

Mounting dimensions,weight (reference)

da(mm)55.0 mm
db(mm)51.0 mm
Da(mm)77.0 mm
Db(mm)80.0 mm
ra(max.)(mm)2.4 mm
rb(max.)(mm)1.2 mm
Mass(Refer.)(kg)0.483 kg
JTEKT

2026/07/18