Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Metric series
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Bearing No. 32309CR

Specifications
(Boundary dimensions ...etc)

d(mm)45
D(mm)100
T(mm)38.25
B(mm)36
C(mm)29
r(min.)(mm)2
r1(min.)(mm)1.5
Basic load ratings : Cr(kN)181
Basic load ratings : C0r(kN)182
Fatigue load limit : Cu(kN)27.0
Limiting speeds(Grease lub.)(min-1)4200
Limiting speeds(Oil lub.)(min-1)5600
Load center spread : a(mm)30.3
Constant e()0.55
Axial load factors : Y1()1.10
Axial load factors : Y0()0.60

Mounting dimensions

da(min.)(mm)55
db(max.)(mm)56
Da(max.)(mm)90
Da(min.)(mm)76
Db(min.)(mm)95
Sa(min.)(mm)4
Sb(min.)(mm)9
ra(max.)(mm)2
rb(max.)(mm)1.5

Refer.

(Refer.)Mass(kg) 1.45
JTEKT

2025/06/03