| 6303-2Z SNR Deep groove ball bearing shields on both sides | Delivery 7-10 Days | | |
| 6303-2Z/5K NTN Deep groove ball bearing shields on both sides | Delivery 7-10 Days | | |
| 6303-2Z/C3 SKF Single row, Shield on both sides | Delivery 7-10 Days | | |
| 6303-2Z/C3 SNR Deep groove ball bearing shields on both sides | Delivery 7-10 Days | | |
| 6303-2Z/C3GJN SKF Single row, Shield on both sides | Discontinued | | |
| 6303-2Z/C3LHT23 SKF Single row, Shield on both sides | Discontinued | | |
| 6303-2Z/C3WT SKF Single row, Shield on both sides | Discontinued | | |
| 6303-RSH SKF Single row, Contact seal on one side | Discontinued | | |
| 6303-Z MTK | Delivery 7-10 Days | | |
| 6303-Z SKF Single row, Shield on one side | Discontinued | | |
| 6303-Z/C3 SKF Single row, Shield on one side | Discontinued | | |
| 6303/C3 SKF Single row, Radial internal clearance greater than Normal | Delivery 7-10 Days | | |
| 6303/C4 SKF Single row, Radial internal clearance greater than C3 | 1 | | |
| 6303N MTK Deep Groove Ball Bearing | Delivery 7-10 Days | | |
| 6304 ETN9 SKF Single row, with polymide cage | Discontinued | | |
| 6304 ETN9/C3 SKF Single row, clearance greater than Normal | Discontinued | | |
| 6304 MTK Deep Groove Ball Bearing | Delivery 7-10 Days | | |
| 6304 NR SKF Single row, with snap ring | Discontinued | | |
| 6304 SKF Single row, Open Bearing | Delivery 7-10 Days | | |
| 6304 TN9/C3 SKF Single row, clearance greater than Normal | Discontinued | | |