Shorter than item 71518, this is designed for the 2nd valve on Bach bass trombone models 50B3 and 50B3O. Metal miniball rod end bearing is the swivel used on modern Bach rotary valves (those without the plug and ring setup as in items 079238 & 079239). Sold as a single bearing. Two required if you plan to replace both ends of the rod.
• 14mm long • 2mm thread (inside diameter) • 2mm bore (for insertion of screw) • compatible with threaded roads 096906 (1-1/16") and 096907 (1/4").