Underground Solutions - FMC Technologies
Underground Solutions - FMC Technologies
Underground Solutions - FMC Technologies
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Link-Belt ® Tapered Bearing Idler RollsSealed for life roll design ensures extended, trouble-free service lifefor CEMA Series D, E and F models. . .Link-Belt Tapered Bearing Idler Rolls are perfectlysuited for continuous material handling operationsmoving massive volumes of tough, abrasivematerials such as coal, iron ore, and rock products.Boasting load ratings that exceed CEMA requirements,this rugged line is available in CEMA D, E and Fseries models.Link-Belt sealed for life tapered roller bearing idlersfeature factory-lubricated and sealed for life rollswhich eliminates relubrication maintenance costs.In the CEMA E and F series rolls, bearing life isextended by using solid, cold drawn steel shaftsto minimize deflection and increase load ratings.Link-Belt D-7000 rolls feature stub shaft technology,discussed in detail on the following page.Link-Belt CEMA E and F series rolls are designed tohandle the heaviest, most abrasive materials. Theyfeature a premium quality Delrin triple horizontallabyrinth outer seal that protects the precisiontapered roller bearings in several ways. The outerdeflector cap (flinger) features a 90˚ contoured lipto deflect material away from the roll end. Triplehorizontal, grease-filled labyrinths and contact primaryseals, along with rear non-contact seals,ensure against the ingress of performance-inhibitingcontaminants. Outer adjusting nuts are zinc-platedmachined steel to minimize corrosion.Link-Belt rolls are protected from corrosion by a polymericpowder coating baked on at high temperatures to provideresistance to abrasive elements. Assembly hardware iselectro-zinc plated to ensure extended service. In-lineand off-set configurations available.E4000F5000Boasting significantly higher load ratings and impact capabilities than competitive belt idlers.Ductile iron interferencePress-fit headGrease-filled triple labyrinth outerseal with contact primary sealSolid shaft minimizes deflection andincreases bearing lifeHigh-capacity precision tapered rollerbearings for increased life withminimum roll resistanceNon-contact, metallic rear seal.Recessed die formed heads arecontinuously welded inside shell ends.Triple labyrinth outer seal uses closetolerances and grease-filled clearancesto trap abrasive contaminants.Solid shaft minimizes deflectionand increases bearing lifePrimary seal is a nitrile rubber,triple lip contact memberHigh-capacity precision tapered rollerbearings for increased life withminimum roll resistance6