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

Bearing No. 32008JR

Specifications
(Boundary dimensions ...etc)

d(mm)40
D(mm)68
T(mm)19
B(mm)19
C(mm)14.5
r(min.)(mm)1
r1(min.)(mm)1
Basic load ratings : Cr(kN)67.2
Basic load ratings : C0r(kN)71.4
Fatigue load limit : Cu(kN)10.3
Limiting speeds(Grease lub.)(min-1)5600
Limiting speeds(Oil lub.)(min-1)7400
Load center spread : a(mm)15.1
Constant e()0.38
Axial load factors : Y1()1.58
Axial load factors : Y0()0.87

Mounting dimensions

da(min.)(mm)45.5
db(max.)(mm)46
Da(max.)(mm)62.5
Da(min.)(mm)60
Db(min.)(mm)65
Sa(min.)(mm)4
Sb(min.)(mm)4.5
ra(max.)(mm)1
rb(max.)(mm)1

Refer.

(Refer.)Mass(kg) 0.282
JTEKT

2025/05/21