Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Metric series
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Bearing No. 33108JR

Specifications
(Boundary dimensions ...etc)

d(mm)40
D(mm)75
T(mm)26
B(mm)26
C(mm)20.5
r(min.)(mm)1.5
r1(min.)(mm)1.5
Basic load ratings : Cr(kN)103
Basic load ratings : C0r(kN)108
Fatigue load limit : Cu(kN)16.1
Limiting speeds(Grease lub.)(min-1)5200
Limiting speeds(Oil lub.)(min-1)6900
Load center spread : a(mm)18.3
Constant e()0.36
Axial load factors : Y1()1.69
Axial load factors : Y0()0.93

Mounting dimensions

da(min.)(mm)48.5
db(max.)(mm)47
Da(max.)(mm)66.5
Da(min.)(mm)65
Db(min.)(mm)71
Sa(min.)(mm)4
Sb(min.)(mm)5.5
ra(max.)(mm)1.5
rb(max.)(mm)1.5

Refer.

(Refer.)Mass(kg) 0.508
JTEKT

2025/07/01