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

Bearing No. 566/563

Specifications
(Boundary dimensions ...etc)

d(mm)69.850
D(mm)127.000
T(mm)36.512
B(mm)36.170
C(mm)28.575
r(min.)(mm)3.6
r1(min.)(mm)3.2
Basic load ratings : Cr(kN)196
Basic load ratings : C0r(kN)226
Fatigue load limit : Cu(kN)35.3
Limiting speeds(Grease lub.)(min-1)3000
Limiting speeds(Oil lub.)(min-1)4000
Load center spread : a(mm)28.6
Constant :e()0.36
Axial load factors : Y1()1.65
Axial load factors : Y0()0.91

Mounting dimensions

da(mm)85.0
db(mm)78.0
Da(mm)112.0
Db(mm)120.0
ra(max.)(mm)3.6
rb(max.)(mm)3.2

Refer.

(Refer.)Mass(kg) 1.888
JTEKT

2025/06/01