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


Bearing No. 32317JR

Specification data (main 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 e0.35
Axial load factors : Y11.74
Axial load factors : Y00.96

Mounting dimensions,weight (reference)

da(min.)(mm)103 mm
db(max.)(mm)103 mm
Da(max.)(mm)166 mm
da(min.)(mm)150 mm
db(min.)(mm)167 mm
Sa(min.)(mm)5 mm
Sb(min.)(mm)14.5 mm
ra(max.)(mm)3 mm
rb(max.)(mm)2.5 mm
Mass(Refer.)(kg)7.42 kg
JTEKT

2026/07/21