Check the listing for details. Dillon 550B 550 Primer Track Bearing Replacement Bearing. Condition: New. Listed at 7.25 USD. This is a direct replacement bearing for the Dillon 550B Primer Slide Bearing Track Plate. Included is a rubber sealed bearing to keep out dust and debris. The complete Dillon 550B Primer Track Bearing plate is not included. This is just the bearing, bolt, washers and nut! No tools or directions. If you have questions, concerns, comments feel free to contact me. Thank you for looking! JW Systems International Buyers - Please Note: Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyer's responsibility. If you buy multiple items, I will combine the shipping fees and refund any extra money. Please check with your country's customs office to determine what these additional costs will be prior to bidding or buying.