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


Bearing No. 33114JR

Specification data (main dimensions, etc.)

d(mm)70
D(mm)120
T(mm)37
B(mm)37
C(mm)29
r(min.)(mm)2
r1(min.)(mm)1.5
Basic load ratings : Cr(kN)227
Basic load ratings : C0r(kN)266
Fatigue load limit : Cu(kN)41.2
Limiting speeds(Grease lub.)(min-1)3100
Limiting speeds(Oil lub.)(min-1)4200
Load center spread : a(mm)28.0
Constant e0.38
Axial load factors : Y11.58
Axial load factors : Y00.87

Mounting dimensions,weight (reference)

da(min.)(mm)80 mm
db(max.)(mm)79 mm
Da(max.)(mm)110 mm
da(min.)(mm)104 mm
db(min.)(mm)115 mm
Sa(min.)(mm)6 mm
Sb(min.)(mm)8 mm
ra(max.)(mm)2 mm
rb(max.)(mm)1.5 mm
Mass(Refer.)(kg)1.71 kg
JTEKT

2026/07/11