Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Metric series
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Bearing No. 32317JR

Specifications
(Boundary dimensions ...etc)

d(mm)85
D(mm)180
T(mm)63.5
B(mm)60
C(mm)49
r(min.)(mm)4
r1(min.)(mm)3
Basic load ratings : Cr(kN)549
Basic load ratings : C0r(kN)587
Fatigue load limit : Cu(kN)77.6
Limiting speeds(Grease lub.)(min-1)2200
Limiting speeds(Oil lub.)(min-1)3000
Load center spread : a(mm)43.8
Constant e()0.35
Axial load factors : Y1()1.74
Axial load factors : Y0()0.96

Mounting dimensions

da(min.)(mm)103
db(max.)(mm)103
Da(max.)(mm)166
Da(min.)(mm)150
Db(min.)(mm)167
Sa(min.)(mm)5
Sb(min.)(mm)14.5
ra(max.)(mm)3
rb(max.)(mm)2.5

Refer.

(Refer.)Mass(kg) 7.42
JTEKT

2025/05/25