| 6304-2ZNR SKF Single row, Shield on both sides | Delivery 7-10 Days | | |
| 6304-RSH SKF Single row, Contact seal on one side | Discontinued | | |
| 6304-RSH/C3 SKF Single row, clearance greater than Normal | Discontinued | | |
| 6304-Z MTK | Delivery 7-10 Days | | |
| 6304-Z SKF Single row, Shield on one side | Discontinued | | |
| 6304-Z/C3 SKF Single row, Shield on one side | Discontinued | | |
| 6304/C2 SKF Single row, Radial internal clearance smaller than Normal | Discontinued | | |
| 6304/C3 SKF Single row, Radial internal clearance greater than Normal | Delivery 7-10 Days | | |
| 6304/C4 SKF Single row, Radial internal clearance greater than C3 | Discontinued | | |
| 6304N MTK Deep Groove Ball Bearing | Delivery 7-10 Days | | |
| 6305 ETN9 SKF Single row, with polymide cage | Discontinued | | |
| 6305 ETN9/C3 SKF Single row, clearance greater than Normal | Discontinued | | |
| 6305 MTK Deep Groove Ball Bearing | Delivery 7-10 Days | | |
| 6305 N SKF Single row, Snap ring groove in the outer ring | Discontinued | | |
| 6305 NR SKF Single row, with snap ring | Discontinued | | |
| 6305 NR/C3 SKF Single row, with snap ring | Discontinued | | |
| 6305 SKF Single row, Open Bearing | Delivery 7-10 Days | | |
| 6305 TN9/C3 SKF Single row, clearance greater than Normal | Discontinued | | |
| 6305 TN9/C4 SKF Single row, Radial internal clearance greater than C3 | Discontinued | | |
| 6305-2LS/C4/362249AB SKF Single row, with clearance greater than C3 | Discontinued | | |