Koyo
FOR REFERENCE ONLY
  • Deep groove ball bearings
  • Single-row
  • Shielded/sealed type
  • Extremely light contact sealed


Bearing No. 6307 2RD

Specification data (main dimensions, etc.)

d(mm)35
D(mm)80
B(mm)21
r(min.)(mm)1.5
Basic load ratings : Cr(kN)41.7
Basic load ratings : C0r(kN)19.3
Fatigue load limit : Cu(kN)1.45
factor : f013.2
Limiting speeds(Grease lub.)(min-1)7700

Mounting dimensions,weight (reference)

da(min.)(mm)43 mm
da(max.)(mm)46 mm
Da(max.)(mm)72 mm
ra(max.)(mm)1.5 mm
Mass(Refer.)(kg)0.457 kg
JTEKT

2026/07/01