Abubuwan nadi na allura sune nadi bearings tare da cylindrical rollers, dangane da diamita, rollers suna da bakin ciki da tsawo.Ana kiran wannan abin nadi na allura.Ko da yake yana da ƙaramin ɓangaren giciye, ɗaukar nauyi har yanzu yana da ƙarfin ɗaukar nauyi, ɗaukar allura tare da lafiya da tsayin rowa.
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