Koyo
FOR REFERENCE ONLY
  • Angular contact ball bearings
  • Matched pair
  • Back-to-back
  • With machined cage


Bearing No. 7917CDB FY

Specification data (main dimensions, etc.)

d(mm)85
D(mm)120
B(mm)36
r(min.)(mm)1.1
r1(min.)(mm)0.6
Basic load ratings : Cr(kN)79.0
Basic load ratings : C0r(kN)81.3
Fatigue load limit : Cu(kN)4.20
factor : f016.5
Limiting speeds(Grease lub.)(min-1)6500
Limiting speeds(Oil lub.)(min-1)8600
Load center spread : a(mm)45.5

Mounting dimensions,weight (reference)

da(min.)(mm)92 mm
Db(max.)(mm)115.5 mm
ra(max.)(mm)1 mm
rb(max.)(mm)0.6 mm
Mass(Refer.)(kg)1.05 kg
JTEKT

2026/07/10