Ace Trubore^® 3-piece glass stirrer bearing

Self-aligning, three-piece bearing consisting of a glass inner Trubore bearing, nylon bushing with O-ring, and threaded glass adapter. Inner bearing will spin if shaft binds or will self-align at O-ring if motor is slightly cocked. Inner bearing and bushing can be used with any joint size.

Trubore is a registered trademark of Ace Glass, Inc.