Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Metric series
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Bearing No. 33115JR

Specifications
(Boundary dimensions ...etc)

d(mm)75
D(mm)125
T(mm)37
B(mm)37
C(mm)29
r(min.)(mm)2
r1(min.)(mm)1.5
Basic load ratings : Cr(kN)234
Basic load ratings : C0r(kN)280
Fatigue load limit : Cu(kN)43.4
Limiting speeds(Grease lub.)(min-1)3000
Limiting speeds(Oil lub.)(min-1)4000
Load center spread : a(mm)29.3
Constant e()0.40
Axial load factors : Y1()1.51
Axial load factors : Y0()0.83

Mounting dimensions

da(min.)(mm)85
db(max.)(mm)84
Da(max.)(mm)116.5
Da(min.)(mm)109
Db(min.)(mm)120
Sa(min.)(mm)6
Sb(min.)(mm)8
ra(max.)(mm)2
rb(max.)(mm)1.5

Refer.

(Refer.)Mass(kg) 1.84
JTEKT

2025/06/01