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


Bearing No. 33124JR

Specification data (main 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 e0.40
Axial load factors : Y11.51
Axial load factors : Y00.83

Mounting dimensions,weight (reference)

da(min.)(mm)132 mm
db(max.)(mm)133 mm
Da(max.)(mm)190 mm
da(min.)(mm)172 mm
db(min.)(mm)192 mm
Sa(min.)(mm)9 mm
Sb(min.)(mm)14 mm
ra(max.)(mm)2 mm
rb(max.)(mm)2 mm
Mass(Refer.)(kg)7.73 kg
JTEKT

2026/08/07