Stirrer Bearing

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Stirrer Bearing
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  • Chemglass

    Grease-Free PTFE stirrer bearing for use under moderate vacuum. The bearing consists of a PTFE standard taper body, Nylon compression cap, PTFE Insert/bushing and a Nylon loosening nut. The PTFE insert/bushing provides only glass and PTFE contact with the reaction. Loosening nut above the standard…

  • …Glass, PTFE or Stainless Steel Stirrer Shafts Universal Chem-Vac™ PTFE stirrer bearing provides a VACUUM TIGHT FLAKE-FREE SEAL on GLASS, PTFE or S.S. stir shafts. Upper portion of bearing rotates with the stirrer shaft providing a flake-free seal. The bearing consists of a PTFE standard…

  • Heavy duty 19mm stirrer bearing for use in stirring large volumes under high torque. Bearing has a tooled lubricant cup.PLEASE NOTE: NOT FOR USE WITH CG-2087 or CG-2088 PRECISION GROUND AND POLISHED STIRRER SHAFTS. STIRRER BEARINGS, 19MM, HEAVY DUTY, JACKETED, Similar to CG-2082 but with a water…

  • Assembly consists of a 10mm OD Chem-Stir™ stirrer shaft, a precision bore-bearing having a standard taper inner joint and a PTFE blade. The blade is sized to fit the listed flask capacities.

  • SP Wilmad-LabGlass

    …are not recommended for use with this bearing. Complete 10mm diameter assembly includes PTFE stirrer bearing, PTFE bushing, saddle O-ring (LG-9470-300), threaded heavy wall borosilicate glass adapter, and top cap (LG-10818-114). See LG-9501 for polished stirrer rods or LG-9502 for stainless steel…

  • Includes two replacement PTFE bushings. Not autoclavable. Fits stirring rods with 10mm diameter. Includes extraction nut to effortlessly remove stopper from flask

  • PTFE stirrer bearing featuring a non-shedding, fully enclosed, anti-whip, chemically resistant design. Models available for 6, 8 and 10mm glass, metal or PTFE stir shafts. Can be used in slight pressure or vacuum applications. Maximum recommended speed for continuous operation is 500 rpm. Unlike…

  • …Pressure is 2-3 PSI. Unlike Conventional PTFE Bearings, Bearing will Not “Flake” Contaminating Your Reaction. All Seals are Made Using Perfluorinated O-Rings Providing Outstanding Resistance to the Most Aggressive Chemicals. Bearing Seals are Rated at up to 2000 RPM** with the…

  • Micro stirrer has a 6mm OD x 305mm long precision ground button style shaft and a football shaped 11 x 33mm TFE blade. The 11 x 33mm blade can be used in flasks having a capacity of 25mL and above. Complete stirrer assembly consists of a shaft, bearing and blade.

  • This bearing is the standard liquid seal type except that the use of Trubore tubing enables this unit to perform very satisfactorily under high vacuum conditions. Use our precision ground stirring shafts (8068,8070,8071,8073,9532,9533).

  • …Pressure is 2-3 PSI. Unlike Conventional PTFE Bearings, Bearing will Not “Flake” Contaminating Your Reaction. All Seals are made using Perfluorinated O-Rings Providing Outstanding Resistance to the Most Aggressive Chemicals. Bearing Seals are Rated at up to 2000 RPM** with the…

  • Grease-Free PTFE stirrer bearing designed for use in moderate vacuum applications. Bearing consists of a threaded glass adapter having a 45/50 inner joint, a saddle o-ring, a bushing with compression and locking nut, and a precision PTFE inner bearing. The saddle o-ring provides only glass and PTFE…

  • Not autoclavable. 2 per pack. Use with 10mm stirring rods. Replacement bearings for use with Safe-Lab® Joint Stirrer Bearing

  • Ace Glass

    Precision Trubore Stirrer Assembly consisting of 10 mm ID bearing, bushing, precision ground, button type glass shaft and blade. Available with either glass or PTFE stir blade.

  • This bearing is supplied with tubulation for feeding inert gases around the bearing to balance any pressure possibly being developed in the flask. Can also be used for gas-liquid reactions and gas dispersions using our hollow precision ground stirring shafts (8068, 9532).

  • Precision bore bearing for use in moderate vacuum with a CG-2074 or CG-2075 ground 10mm stirrer shaft. NOTE: Not for use with CG-2078 or CG-2079 polished stirrer shafts.

  • …precision ground button style shaft and a 15 x 46mm TFE blade. Lower end of shaft has a reduced diameter to allow passage through a 19/22 outer joint. The 15 x 46mm blade can be used in flasks having a capacity of 100mL and above. Complete stirrer assembly consists of a shaft, bearing and blade.

  • All PTFE filter reactor; an extension of the famous Ace borosilicate glass filter reactor product line. The head, head joints, body, stirrer bearing, valved bottom filter assembly, and stir shaft with agitator are all PTFE. Filter support is polypropylene. Large, Ace-Thred bottom filter assembly…

  • …NOTE: REACTOR STAND OVERALL HEIGHT WITH MOTOR AND CLEARANCE BELOW VALVE, ARE CALCULATED USING THE CG-2077-H STIRRER BEARING. IF YOU REQUIRE THE CG-2077-M MECHANICAL SEAL STIR BEARING, THEN THE GLASS LID MUST BE REPLACED BY CG-1968-B-01 S.S. LID. Features:  Rugged 1" S.S. Pipe…

  • Chemglass

    PTFE gasket is 0.015" thick with an opening to fit Chemglass stirrer shafts. Gasket is placed below the CG-2048 Safety collar to prevent wear as a result of the collar rotating against the stirrer bearing. Also useful as a dust cover.

  • Grease-Free PTFE stirrer bearing designed for use in moderate vacuum applications. Bearing consists of a threaded glass adapter having the listed inner joint, a saddle o-ring, a body bushing with a compression and locking nut, and a precision PTFE inner bearing. The saddle o-ring provides only glass…

  • …PTFE stirrer bearing designed for use under moderate vacuum applications. The bearing consists of a threaded glass adapter having an inner joint, a set of PTFE washer style bearings, a stainless steel spring, nylon alignment ring and Celcon® compression cap. The unique design of this bearing

  • PTFE stirrer bearing with a hose connection for vacuum or inert gas source on a single neck flask. Grease-free design has only glass and PTFE in contact with the reaction, and can be used under moderate vacuum applications. Bearing consists of a threaded glass adapter having the listed inner joint…

  • Ultra-Vacuum stirrer bearing for applications up to 0.6 Torr. 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. Rated for up to 400 rpm with both glass (polished rather than precision ground is best)…

  • Trubore bearing, heavy duty, standard taper joint, self-aligning. Unique design is forgiving of slight misalignment of stir motor and shaft. Recommended for use with our 9534 6mm precision ground stir shaft.

  • …PTFE stirrer bearing designed for use under moderate vacuum applications. The bearing consists of a threaded glass adapter having an inner joint, a set of PTFE washer style bearings, a stainless steel spring, nylon alignment ring and Celcon® compression cap. The unique design of this bearing

  • Similar to CG-2070, but water jacketed to control bearing temperature. For use in moderate vacuum with a CG-2074 or CG-2075 ground 10mm stirrer shaft. NOTE: Not for use with CG-2078 or CG-2079 polished stirrer shafts.

  • Similar to CG-2070 but with a tooled lubricant cup at the top of the bearing to hold an increased amount of lubricant. NOTE: Not for use with CG-2078 or CG-2079 polished stirrer shafts.

  • Chemglass

    … Please Note: CG-2097-75 and CG-2097-100 are made from heavy wall tubing and have indents for agitator positioning.  Indents are spaced every 10" from the bottom agitator.  Replacement stirrer shafts are for use with mechanical seal stir bearing on listed support frame. 

  • GFS Chemicals

    Wide speed range is obtainable by pressure regulation Plastic with brass bearings Completely immersible, allowing use in water baths Several stirrers can be connected in series Housing, 3” diameter x 3/4” thick, encases driving magnet, which is mounted in vaned…

  • SP Wilmad-LabGlass

    Precision ground and polished, these borosilicate glass stirrer shafts have a 10mm O.D. For use with LG-9475T bearing with PTFE bearing surface, or other bearings with a PTFE interface with the same bore. Features a side button at bottom for attachment of any of the stirrer/stirring blades (LG-9505…

  • …apply only a very thin film of Stir-Lube® to a stirring shaft to increase bearing and shaft life at least three times over that of a bearing lubricated with glycerine. Non-cooled Ace bearings can be operated at 1500rpm and water-cooled bearings at 2000rpm for many hours with negligible wear.

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