PTFE and Glass Stirrer Bearing, 10mm 29/42

These bearings are ideal for use with Kontes series 786500 glass 10 mm precision ground stirring shafts. · Threaded glass ground joint bearings seal against the stirrer shaft by means of a PTFE o-ring, a precision bore PTFE sleeve bearing and a PTFE tightening screw with lock nut and washer · Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements