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

Bearing No. 6303 2RU

Specifications
(Boundary dimensions ...etc)

d(mm)17
D(mm)47
B(mm)14
r(min.)(mm)1
Basic load ratings : Cr(kN)17.0
Basic load ratings : C0r(kN)6.65
Fatigue load limit : Cu(kN)0.550
factor : f0()12.4
Limiting speeds(Grease lub.)(min-1)15000
Limiting speeds(Oil lub.)(min-1)

Mounting dimensions

da(min.)(mm)22
da(max.)(mm)24.3
Da(max.)(mm)42
ra(max.)(mm)1

Refer.

(Refer.)Mass(kg) 0.115
JTEKT

2025/05/09