Koyo
FOR REFERENCE ONLY
  • Tapered roller bearings
  • Single-row
  • Metric series
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Bearing No. T7FC055

Specifications
(Boundary dimensions ...etc)

d(mm)55
D(mm)115
T(mm)34
B(mm)31
C(mm)23.5
r(min.)(mm)3
r1(min.)(mm)3
Basic load ratings : Cr(kN)161
Basic load ratings : C0r(kN)164
Fatigue load limit : Cu(kN)23.9
Limiting speeds(Grease lub.)(min-1)3000
Limiting speeds(Oil lub.)(min-1)4200
Load center spread : a(mm)38.6
Constant e()0.87
Axial load factors : Y1()0.69
Axial load factors : Y0()0.38

Mounting dimensions

da(min.)(mm)69
db(max.)(mm)65
Da(max.)(mm)101
Da(min.)(mm)86
Db(min.)(mm)109
Sa(min.)(mm)4
Sb(min.)(mm)10.5
ra(max.)(mm)2.5
rb(max.)(mm)2.5

Refer.

(Refer.)Mass(kg) 1.59
JTEKT

2025/06/01