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


Bearing No. 33209JR

Specification data (main dimensions, etc.)

d(mm)45
D(mm)85
T(mm)32
B(mm)32
C(mm)25
r(min.)(mm)1.5
r1(min.)(mm)1.5
Basic load ratings : Cr(kN)139
Basic load ratings : C0r(kN)149
Fatigue load limit : Cu(kN)22.3
Limiting speeds(Grease lub.)(min-1)4600
Limiting speeds(Oil lub.)(min-1)6200
Load center spread : a(mm)21.8
Constant e0.39
Axial load factors : Y11.56
Axial load factors : Y00.86

Mounting dimensions,weight (reference)

da(min.)(mm)53.5 mm
db(max.)(mm)52 mm
Da(max.)(mm)76.5 mm
da(min.)(mm)72 mm
db(min.)(mm)81 mm
Sa(min.)(mm)5 mm
Sb(min.)(mm)7 mm
ra(max.)(mm)1.5 mm
rb(max.)(mm)1.5 mm
Mass(Refer.)(kg)0.818 kg
JTEKT

2026/07/05