Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Metric series
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Bearing No. 33124JR

Specifications
(Boundary dimensions ...etc)

d(mm)120
D(mm)200
T(mm)62
B(mm)62
C(mm)48
r(min.)(mm)2.5
r1(min.)(mm)2
Basic load ratings : Cr(kN)581
Basic load ratings : C0r(kN)785
Fatigue load limit : Cu(kN)96.1
Limiting speeds(Grease lub.)(min-1)1800
Limiting speeds(Oil lub.)(min-1)2400
Load center spread : a(mm)47.8
Constant e()0.40
Axial load factors : Y1()1.51
Axial load factors : Y0()0.83

Mounting dimensions

da(min.)(mm)132
db(max.)(mm)133
Da(max.)(mm)190
Da(min.)(mm)172
Db(min.)(mm)192
Sa(min.)(mm)9
Sb(min.)(mm)14
ra(max.)(mm)2
rb(max.)(mm)2

Refer.

(Refer.)Mass(kg) 7.73
JTEKT

2025/06/01