19mm Complete Stirrer Bearing, Threaded Adapter with Inner Joint

Grease Free PTFE® bearing that is designed for moderate vacuum pressures up to 10-6. Bearing consists of a threaded glass adapter with a standard taper inner joint, PTFE body bushing with a compression cap, locking nut, FPM washer, and a 19mm or 25.4mm precision PTFE® inner bearing. The Rulon saddle O-Ring provides only glass and PTFE® contact with the reaction, while allowing for a vacuum tight seal. The design of the bearing allows replacement of the PTFE® precision bore inner bearing sleeve and/or the ruling saddle O-Ring at a fraction of the total unit cost. For use with polished 19mm & 25.4mm glass stirrer shafts. Also available in 100% glass filled PTFE for added strength (part number 2097)