Koyo
FOR REFERENCE ONLY
  • Self-aligning ball bearings
  • Open type
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Bearing No. 1307

Specifications
(Boundary dimensions ...etc)

d(mm)35
D(mm)80
B(mm)21
r(min.)(mm)1.5
Basic load ratings : Cr(kN)31.4
Basic load ratings : C0r(kN)7.95
Fatigue load limit : Cu(kN)0.49
Limiting speeds(Grease lub.)(min-1)7600
Limiting speeds(Oil lub.)(min-1)9300
Constant :e()0.25
Axial load factors : Y1()2.48
Axial load factors : Y2()3.84
Axial load factors : Y0()2.60

Mounting dimensions

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

Refer.

(Refer.)Mass(kg) 0.510
JTEKT

2025/06/01