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


Bearing No. 32064JR

Specification data (main dimensions, etc.)

d(mm)320
D(mm)480
T(mm)100
B(mm)100
C(mm)74
r(min.)(mm)5
r1(min.)(mm)4
Basic load ratings : Cr(kN)1900
Basic load ratings : C0r(kN)2810
Fatigue load limit : Cu(kN)273
Limiting speeds(Grease lub.)(min-1)600
Limiting speeds(Oil lub.)(min-1)800
Load center spread : a(mm)103.0
Constant e0.46
Axial load factors : Y11.31
Axial load factors : Y00.72

Mounting dimensions,weight (reference)

da(min.)(mm)342 mm
db(max.)(mm)344 mm
Da(max.)(mm)462 mm
da(min.)(mm)418 mm
db(min.)(mm)461 mm
Sa(min.)(mm)16 mm
Sb(min.)(mm)26 mm
ra(max.)(mm)4 mm
rb(max.)(mm)3 mm
Mass(Refer.)(kg)58.7 kg
JTEKT

2026/07/07