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


Bearing No. 33118JR

Specification data (main dimensions, etc.)

d(mm)90
D(mm)150
T(mm)45
B(mm)45
C(mm)35
r(min.)(mm)2.5
r1(min.)(mm)2
Basic load ratings : Cr(kN)324
Basic load ratings : C0r(kN)413
Fatigue load limit : Cu(kN)61.1
Limiting speeds(Grease lub.)(min-1)2500
Limiting speeds(Oil lub.)(min-1)3300
Load center spread : a(mm)35.4
Constant e0.40
Axial load factors : Y11.51
Axial load factors : Y00.83

Mounting dimensions,weight (reference)

da(min.)(mm)102 mm
db(max.)(mm)100 mm
Da(max.)(mm)140 mm
da(min.)(mm)130 mm
db(min.)(mm)144 mm
Sa(min.)(mm)7 mm
Sb(min.)(mm)10 mm
ra(max.)(mm)2 mm
rb(max.)(mm)2 mm
Mass(Refer.)(kg)3.13 kg
JTEKT

2026/07/05