Koyo
FOR REFERENCE ONLY
  • Deep groove ball bearings
  • Single-row
  • Open type
>

Bearing No. 6921

Specifications
(Boundary dimensions ...etc)

d(mm)105
D(mm)145
B(mm)20
r(min.)(mm)1.1
Basic load ratings : Cr(kN)58.1
Basic load ratings : C0r(kN)44.8
Fatigue load limit : Cu(kN)2.10
factor : f0()16.4
Limiting speeds(Grease lub.)(min-1)4300
Limiting speeds(Oil lub.)(min-1)5100

Mounting dimensions

da(min.)(mm)111.5
Da(max.)(mm)138.5
ra(max.)(mm)1

Refer.

(Refer.)Mass(kg) 1.00
JTEKT

2025/05/10