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


Bearing No. 7408BDB

Specification data (main dimensions, etc.)

d(mm)40
D(mm)110
B(mm)54
r(min.)(mm)2
r1(min.)(mm)1
Basic load ratings : Cr(kN)141
Basic load ratings : C0r(kN)89.8
Fatigue load limit : Cu(kN)6.40
factor : f0-
Limiting speeds(Grease lub.)(min-1)3100
Limiting speeds(Oil lub.)(min-1)4700
Load center spread : a(mm)90.8

Mounting dimensions,weight (reference)

da(min.)(mm)50 mm
Db(max.)(mm)104.5 mm
ra(max.)(mm)2 mm
rb(max.)(mm)1 mm
Mass(Refer.)(kg)2.46 kg
JTEKT

2026/07/29