Vacuum Seal Stirrer Bearing Newly designedvacuum-tight seal stirrer bearing for overhead stir motors. Non-shedding bearing is manufactured from PTFE, Rulon and PEEK materials. Equally good in both vacuum and pressure applications as low as -0.6 Torr. Rate* for up to 400 rpm with both glass (polished rathe than precision ground is best) and stainless stee 8050 STIRRER BEARING Vacuum Seal, PTFE * Newly designed vacuum-tight seal stirrer bearing from ACE. All PTFE, Rulon or PEEK wetted area construction provides for low extractables. Completely contained bearing and internal parts also provides non-shedding of materials into the reaction. The bearing is excellent for vacuum applications and can be operated at sub-torr levels. Rated for up to 400rpm speeds. Available in three popular shaft and joint sizes; 10mm, 19mm and 28mm. It can be used on either glass polished or stainless steel stir shafts. See below for bottom joint and shaft sizes. Shaft Size, mm Joint Size Order Code Each

ACE GLASS • Stirrer Bearings 8067 BEARING Trubore, PTFE, Ace-Thred   Self-aligning, lubricant-free PTFE Trubore bearing for use with polished glass stirring shaft. Complete consists of PTFE inner Trubore bearing, Ace‑Thred glass outer body, PTFE compression saddle with O‑Ring and glass-reinforced PTFE bushing, and lock nut with FETFE O‑Ring. The lock nut permits stirring in either direction without fear of unthreading. The compression saddle with O‑Ring maintains constant force with little attention. Vacuum down to 1mm Hg. Not recommended for precision ground glass shafts. BUSHING LOCK NUT COMPRESSION...