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

Bearing No. 1312

Specifications
(Boundary dimensions ...etc)

d(mm)60
D(mm)130
B(mm)31
r(min.)(mm)2.1
Basic load ratings : Cr(kN)71.4
Basic load ratings : C0r(kN)20.8
Fatigue load limit : Cu(kN)1.30
Limiting speeds(Grease lub.)(min-1)4500
Limiting speeds(Oil lub.)(min-1)5500
Constant :e()0.22
Axial load factors : Y1()2.91
Axial load factors : Y2()4.50
Axial load factors : Y0()3.05

Mounting dimensions

da(min.)(mm)71
Da(max.)(mm)119
ra(max.)(mm)2

Refer.

(Refer.)Mass(kg) 1.96
JTEKT

2025/06/01