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


Bearing No. 7921CDF FY

Specification data (main dimensions, etc.)

d(mm)105
D(mm)145
B(mm)40
r(min.)(mm)1.1
r1(min.)(mm)-
Basic load ratings : Cr(kN)115
Basic load ratings : C0r(kN)123
Fatigue load limit : Cu(kN)5.75
factor : f016.4
Limiting speeds(Grease lub.)(min-1)5300
Limiting speeds(Oil lub.)(min-1)7100
Load center spread : a(mm)13.5

Mounting dimensions,weight (reference)

db(min.)(mm)112 mm
Da(max.)(mm)138 mm
ra(max.)(mm)1 mm
rb(max.)(mm)0.6 mm
Mass(Refer.)(kg)1.62 kg
JTEKT

2026/07/02