Rollers are assembled on our purpose-built presses. First a nylon back seal prevents any foreign particles or moisture affecting the bearing from within the shell. The bearings are pre-lubricated with the correct amount of approved grease and pressed into the housing. Labyrinths are also pre-greased and then also pressed into position, as is the steel cover. The bearing assembly is held in position by means of heavy-duty circlips.
Further to the above, a stone guard is fitted which acts as a highly effective first barrier to aggregates down to about a millimetre in size. A very low friction anti-abrasive rubber lip vee-ring seal mounted behind the stone guard stops the ingress of any liquids or moisture and also acts as a flinger.
Following assembly, the rollers are painted one coat of black primer applied through our electro-static paint booth and then packed in cases or on pallets for onward delivery.
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