| 6306-2Z/5K NTN Deep groove ball bearing shields on both sides | 24 | | |
| 6306-2Z/C3 SKF Single row, Shield on both sides | 11 | | |
| 6306-2Z/C3 SNR Deep groove ball bearing shields on both sides | Delivery 7-10 Days | | |
| 6306-2Z/C3GJN SKF Single row, Shield on both sides | Discontinued | | |
| 6306-2Z/C3HT SKF Single row, Shield on both sides | Discontinued | | |
| 6306-2Z/C3LHT23 SKF Single row, Shield on both sides | Discontinued | | |
| 6306-2Z/C3WT SKF Single row, Shield on both sides | Discontinued | | |
| 6306-2Z/C4GJN SKF Single row, Shield on both sides | 1 | | |
| 6306-2Z/GJN SKF Single row, Shield on both sides | Discontinued | | |
| 6306-2ZNR SKF Single row, Shield on both sides | 7 | | |
| 6306-RS1 SKF Single row, Contact seal on one side | Discontinued | | |
| 6306-RS1/C3 SKF Single row, clearance greater than Normal | Discontinued | | |
| 6306-Z MTK | Delivery 7-10 Days | | |
| 6306-Z SKF Single row, Shield on one side | Discontinued | | |
| 6306-Z/C3 SKF Single row, Shield on one side | Discontinued | | |
| 6306-ZNR SKF Single row, Shield on one side | Discontinued | | |
| 6306/C3 SKF Single row, Radial internal clearance greater than Normal | 3 | | |
| 6306/C4 SKF Single row, Radial internal clearance greater than C3 | Discontinued | | |
| 6306N MTK Deep Groove Ball Bearing | Delivery 7-10 Days | | |
| 6307 ETN9/C3VB116 SKF Single row, clearance greater than Normal | Discontinued | | |