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


Bearing No. T4CB120

Specification data (main dimensions, etc.)

d(mm)120
D(mm)170
T(mm)27
B(mm)25
C(mm)19.5
r(min.)(mm)3
r1(min.)(mm)3
Basic load ratings : Cr(kN)206
Basic load ratings : C0r(kN)262
Fatigue load limit : Cu(kN)37.0
Limiting speeds(Grease lub.)(min-1)2000
Limiting speeds(Oil lub.)(min-1)2700
Load center spread : a(mm)34.6
Constant e0.47
Axial load factors : Y11.27
Axial load factors : Y00.70

Mounting dimensions,weight (reference)

da(min.)(mm)134 mm
db(max.)(mm)130 mm
Da(max.)(mm)156 mm
da(min.)(mm)155 mm
db(min.)(mm)164 mm
Sa(min.)(mm)4 mm
Sb(min.)(mm)7.5 mm
ra(max.)(mm)2.5 mm
rb(max.)(mm)2.5 mm
Mass(Refer.)(kg)1.76 kg
JTEKT

2026/08/09