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


Bearing No. T4FE070

Specification data (main dimensions, etc.)

d(mm)70
D(mm)140
T(mm)52
B(mm)51
C(mm)43
r(min.)(mm)5
r1(min.)(mm)3
Basic load ratings : Cr(kN)330
Basic load ratings : C0r(kN)382
Fatigue load limit : Cu(kN)51.6
Limiting speeds(Grease lub.)(min-1)2900
Limiting speeds(Oil lub.)(min-1)3800
Load center spread : a(mm)37.7
Constant e0.45
Axial load factors : Y11.34
Axial load factors : Y00.74

Mounting dimensions,weight (reference)

da(min.)(mm)92 mm
db(max.)(mm)82 mm
Da(max.)(mm)126 mm
da(min.)(mm)111 mm
db(min.)(mm)133 mm
Sa(min.)(mm)7 mm
Sb(min.)(mm)9 mm
ra(max.)(mm)4 mm
rb(max.)(mm)2.5 mm
Mass(Refer.)(kg)3.69 kg
JTEKT

2026/06/30