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

Specifications
(Boundary dimensions ...etc)

d(mm)32
D(mm)75
T(mm)21.75
B(mm)20
C(mm)18
r(min.)(mm)1.5
r1(min.)(mm)1.5
Basic load ratings : Cr(kN)80.5
Basic load ratings : C0r(kN)65.6
Fatigue load limit : Cu(kN)9.90
Limiting speeds(Grease lub.)(min-1)5500
Limiting speeds(Oil lub.)(min-1)7300
Load center spread : a(mm)16.0
Constant e()0.32
Axial load factors : Y1()1.88
Axial load factors : Y0()1.04

Mounting dimensions

da(min.)(mm)40.5
db(max.)(mm)43
Da(max.)(mm)66.5
Da(min.)(mm)64
Db(min.)(mm)70
Sa(min.)(mm)3
Sb(min.)(mm)3.5
ra(max.)(mm)1.5
rb(max.)(mm)1.5

Refer.

(Refer.)Mass(kg) 0.461
JTEKT

2025/06/01