You can find all the replacement parts you need at Escapa.
Union CB-025 626 2RS Ball Bearing - 6x19x6
Features:
- Dimensions: 6x19x6
- CrMO outer and inner rings
- Balls: CrMO (HRC 61-66)
- Cage: Steel
- Seals: 2RS rubber (light contact)
- Grease: MULTEMP SRL (Kyodo Yushi)
- Tolerance: ABEC-3