Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Metric series
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Bearing No. 303/32CR

Specifications
(Boundary dimensions ...etc)

d(mm)32
D(mm)75
T(mm)21.75
B(mm)20
C(mm)16
r(min.)(mm)1.5
r1(min.)(mm)1.5
Basic load ratings : Cr(kN)79.4
Basic load ratings : C0r(kN)66.3
Fatigue load limit : Cu(kN)9.70
Limiting speeds(Grease lub.)(min-1)5600
Limiting speeds(Oil lub.)(min-1)7400
Load center spread : a(mm)19.7
Constant e()0.55
Axial load factors : Y1()1.10
Axial load factors : Y0()0.60

Mounting dimensions

da(min.)(mm)40.5
db(max.)(mm)42
Da(max.)(mm)66.5
Da(min.)(mm)60
Db(min.)(mm)70
Sa(min.)(mm)3
Sb(min.)(mm)5.5
ra(max.)(mm)1.5
rb(max.)(mm)1.5

Refer.

(Refer.)Mass(kg) 0.465
JTEKT

2025/06/01