Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Metric series
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Bearing No. 32064JR

Specifications
(Boundary 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 e()0.46
Axial load factors : Y1()1.31
Axial load factors : Y0()0.72

Mounting dimensions

da(min.)(mm)342
db(max.)(mm)344
Da(max.)(mm)462
Da(min.)(mm)418
Db(min.)(mm)461
Sa(min.)(mm)16
Sb(min.)(mm)26
ra(max.)(mm)4
rb(max.)(mm)3

Refer.

(Refer.)Mass(kg) 58.7
JTEKT

2025/06/01