Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Metric series
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Bearing No. 32318JR

Specifications
(Boundary dimensions ...etc)

d(mm)90
D(mm)190
T(mm)67.5
B(mm)64
C(mm)53
r(min.)(mm)4
r1(min.)(mm)3
Basic load ratings : Cr(kN)577
Basic load ratings : C0r(kN)614
Fatigue load limit : Cu(kN)78.7
Limiting speeds(Grease lub.)(min-1)2100
Limiting speeds(Oil lub.)(min-1)2800
Load center spread : a(mm)46.6
Constant e()0.35
Axial load factors : Y1()1.74
Axial load factors : Y0()0.96

Mounting dimensions

da(min.)(mm)108
db(max.)(mm)108
Da(max.)(mm)176
Da(min.)(mm)157
Db(min.)(mm)177
Sa(min.)(mm)5
Sb(min.)(mm)14.5
ra(max.)(mm)3
rb(max.)(mm)2.5

Refer.

(Refer.)Mass(kg) 8.61
JTEKT

2025/06/01