Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Metric series
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Bearing No. 32964JR

Specifications
(Boundary dimensions ...etc)

d(mm)320
D(mm)440
T(mm)76
B(mm)76
C(mm)57
r(min.)(mm)4
r1(min.)(mm)3
Basic load ratings : Cr(kN)1330
Basic load ratings : C0r(kN)2270
Fatigue load limit : Cu(kN)226
Limiting speeds(Grease lub.)(min-1)640
Limiting speeds(Oil lub.)(min-1)850
Load center spread : a(mm)85.0
Constant e()0.42
Axial load factors : Y1()1.44
Axial load factors : Y0()0.79

Mounting dimensions

da(min.)(mm)338
db(max.)(mm)342
Da(max.)(mm)426
Da(min.)(mm)401
Db(min.)(mm)426
Sa(min.)(mm)12
Sb(min.)(mm)19
ra(max.)(mm)3
rb(max.)(mm)2.5

Refer.

(Refer.)Mass(kg) 34.0
JTEKT

2025/06/01