Koyo
FOR REFERENCE ONLY
  • Deep groove ball bearings
  • Single-row
  • Open type
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Bearing No. 6248

Specifications
(Boundary dimensions ...etc)

d(mm)240
D(mm)440
B(mm)72
r(min.)(mm)4
Basic load ratings : Cr(kN)424
Basic load ratings : C0r(kN)431
Fatigue load limit : Cu(kN)18.2
factor : f0()15.2
Limiting speeds(Grease lub.)(min-1)1200
Limiting speeds(Oil lub.)(min-1)1500

Mounting dimensions

da(min.)(mm)256
Da(max.)(mm)424
ra(max.)(mm)3

Refer.

(Refer.)Mass(kg) 51.0
JTEKT

2025/05/10