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

Bearing No. 6921-1 2RS

Specifications
(Boundary dimensions ...etc)

d(mm)105
D(mm)145
B(mm)20
r(min.)(mm)1.1
Basic load ratings : Cr(kN)53.0
Basic load ratings : C0r(kN)42.1
Fatigue load limit : Cu(kN)1.95
factor : f0()16.4
Limiting speeds(Grease lub.)(min-1)2400
Limiting speeds(Oil lub.)(min-1)

Mounting dimensions

da(min.)(mm)111.5
da(max.)(mm)115
Da(max.)(mm)138.5
ra(max.)(mm)1

Refer.

(Refer.)Mass(kg) 1.00
JTEKT

2025/05/09