Koyo
FOR REFERENCE ONLY
  • Self-aligning ball bearings
  • Open type
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Bearing No. 1306

Specifications
(Boundary dimensions ...etc)

d(mm)30
D(mm)72
B(mm)19
r(min.)(mm)1.1
Basic load ratings : Cr(kN)26.6
Basic load ratings : C0r(kN)6.30
Fatigue load limit : Cu(kN)0.40
Limiting speeds(Grease lub.)(min-1)8700
Limiting speeds(Oil lub.)(min-1)11000
Constant :e()0.26
Axial load factors : Y1()2.40
Axial load factors : Y2()3.72
Axial load factors : Y0()2.52

Mounting dimensions

da(min.)(mm)36.5
Da(max.)(mm)65.5
ra(max.)(mm)1

Refer.

(Refer.)Mass(kg) 0.387
JTEKT

2025/06/20