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

Bearing No. 63/28 2RU

Specifications
(Boundary dimensions ...etc)

d(mm)28
D(mm)68
B(mm)18
r(min.)(mm)1.1
Basic load ratings : Cr(kN)29.4
Basic load ratings : C0r(kN)13.1
Fatigue load limit : Cu(kN)0.990
factor : f0()13.3
Limiting speeds(Grease lub.)(min-1)10000
Limiting speeds(Oil lub.)(min-1)

Mounting dimensions

da(min.)(mm)34.5
da(max.)(mm)37.5
Da(max.)(mm)61.5
ra(max.)(mm)1

Refer.

(Refer.)Mass(kg) 0.328
JTEKT

2025/05/10