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Stirrer Bearings

BOLA Stirrer Bearings, PTFE Bestseller:
This product is very popular with our clients.
Cat.-No. C 424-...
The sealing rings on these bearings ensure a perfect sealing. The ground joint no longer sticks, the danger of breaking is reduced and the cone can be removed easily from the socket. A special gasket made of PTFE and an FPM o-ring which is compressed by a GL screw cap provide a good sealing of the stirrer shaft. This gasket can be exchanged after wearing.

BOLA Glass Stirrer Bearings, PTFE Bestseller:
This product is very popular with our clients.
Cat.-No. C 425-...
Combination of a borosilicate glass piece with ground joint, an interior PTFE shaft guide with integrated special gasket and a GL screw cap made of PPS. The special gasket made of PTFE and an FPM o-ring which is compressed by a GL screw cap provide a good sealing of the stirrer shaft. This gasket can be exchanged after wearing.

BOLA Replacement Glass Parts, Glass
Cat.-No. C 425-...
Borosilicate glass with ground joint and GL thread.

BOLA Replacement Shaft Guides, PTFE, FPM
Cat.-No. C 425-...
With integrated, exchangeable special gasket made of PTFE and an FPM o-ring.

BOLA Special Gaskets, PTFE, FPM
Cat.-No. C 425-...
Easily exchangeable combination of PTFE gasket with FPM o-ring for PTFE shaft guides. The gaskets provide sealing of the stirrer shafts.

BOLA Replacement Screw Caps, PPS
Cat.-No. C 425-...
Screw caps compress the o-ring of the special gasket and provide sealing of the stirrer shaft.

BOLA Ultra-Stirrer Bearings, PTFE
Cat.-No. C 426-...
Combination of a borosilicate glass piece with ground joint, an interior PTFE shaft guide with integrated special gasket and a pressure screw made of PTFE with glass fibre.

BOLA Glass Stirrer Bearings, PTFE
Cat.-No. C 428-...
Combination of a borosilicate glass piece with ground joint, an interior PTFE shaft guide with integrated special gasket and a GL screw cap made of PPS. The special gasket made of PTFE and an FPM o-ring which is compressed by a GL screw cap provide a good sealing of the stirrer shaft. This gasket can be exchanged after wearing.

BOLA Stirrer Bearings, PTFE
Cat.-No. C 429-...
The sealing rings on these bearings ensure a perfect sealing. The ground joint no longer sticks, the danger of breaking is reduced and the cone can be removed easily from the socket. A special gasket made of PTFE and an FPM o-ring which is compressed by a GL screw cap provide a good sealing of the stirrer shaft. This gasket can be exchanged after wearing.

BOLA Special Stirrer Bearings, PTFE
Cat.-No. C 430-...
The 29/32 ground joint of these bearings provides a safe seat in the reactor lid. The stirrer shaft is held by an invisible shaft guide made of borosilicate glass which has an adjustable vacuum sealing. The stirrer can be adjusted in height by means of a lock nut. There is no abrasion. A cooling tank for an optional lubricant against overheating is also included. Suitable for vacuum up to at least 700 mm Hg and for low overpressure. Speeds of up to 500 rpm – temporarily even 1000 rpm - are admissible.

Made to measure

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