Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Metric series
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Bearing No. T4CB120

Specifications
(Boundary 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 e()0.47
Axial load factors : Y1()1.27
Axial load factors : Y0()0.70

Mounting dimensions

da(min.)(mm)134
db(max.)(mm)130
Da(max.)(mm)156
Da(min.)(mm)155
Db(min.)(mm)164
Sa(min.)(mm)4
Sb(min.)(mm)7.5
ra(max.)(mm)2.5
rb(max.)(mm)2.5

Refer.

(Refer.)Mass(kg) 1.76
JTEKT

2025/06/01