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

Bearing No. 2307

Specifications
(Boundary dimensions ...etc)

d(mm)35
D(mm)80
B(mm)31
r(min.)(mm)1.5
Basic load ratings : Cr(kN)49.4
Basic load ratings : C0r(kN)11.1
Fatigue load limit : Cu(kN)0.71
Limiting speeds(Grease lub.)(min-1)7100
Limiting speeds(Oil lub.)(min-1)9800
Constant :e()0.45
Axial load factors : Y1()1.39
Axial load factors : Y2()2.15
Axial load factors : Y0()1.46

Mounting dimensions

da(min.)(mm)43
Da(max.)(mm)72
ra(max.)(mm)1.5

Refer.

(Refer.)Mass(kg) 0.675
JTEKT

2025/06/10