Koyo
FOR REFERENCE ONLY
  • Self-aligning ball bearings
  • Open type
>

Bearing No. 1207

Specifications
(Boundary dimensions ...etc)

d(mm)35
D(mm)72
B(mm)17
r(min.)(mm)1.1
Basic load ratings : Cr(kN)19.7
Basic load ratings : C0r(kN)5.15
Fatigue load limit : Cu(kN)0.32
Limiting speeds(Grease lub.)(min-1)8500
Limiting speeds(Oil lub.)(min-1)10000
Constant :e()0.23
Axial load factors : Y1()2.71
Axial load factors : Y2()4.20
Axial load factors : Y0()2.84

Mounting dimensions

da(min.)(mm)41.5
Da(max.)(mm)65.5
ra(max.)(mm)1

Refer.

(Refer.)Mass(kg) 0.323
JTEKT

2025/06/01