You can find all the replacement parts you need at Escapa.
Union CB-042 608 2RS 8x22x7 Ball Bearing
Features:
- Dimensions: 8x22x7
- Outer and inner rings: CrMo
- Balls: CrMO (HRC 61-66)
- Cage: Steel
- Seals: 2RS rubber (light contact)
- Grease: MULTE