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

Bearing No. 32306JR

Specifications
(Boundary dimensions ...etc)

d(mm)30
D(mm)72
T(mm)28.75
B(mm)27
C(mm)23
r(min.)(mm)1.5
r1(min.)(mm)1.5
Basic load ratings : Cr(kN)103
Basic load ratings : C0r(kN)91.6
Fatigue load limit : Cu(kN)13.8
Limiting speeds(Grease lub.)(min-1)5900
Limiting speeds(Oil lub.)(min-1)7900
Load center spread : a(mm)18.9
Constant e()0.31
Axial load factors : Y1()1.90
Axial load factors : Y0()1.05

Mounting dimensions

da(min.)(mm)38.5
db(max.)(mm)39
Da(max.)(mm)63.5
Da(min.)(mm)59
Db(min.)(mm)66
Sa(min.)(mm)3
Sb(min.)(mm)5.5
ra(max.)(mm)1.5
rb(max.)(mm)1.5

Refer.

(Refer.)Mass(kg) 0.588
JTEKT

2025/06/01