The PullPro™ Rope Sheave, Bearing features a 440C hardened stainless steel ball bearing and can fit rope sizes ranging from 3/8" to 1" to ensure a perfect fit for every project. This sheave is made from grade 316 stainless steel for maximum corrosion resistance and durability. The full complement ball bearing race supports high static loads, is packed with water resistant grease and has a removable PTFE seal for servicing the ball bearings and preventing entry of foreign objects and fluids. PullPro™ premium stainless steel sheaves are versatile, robust, safe and long-lasting. The variety of sizes and hub styles allow the user to select a sheave tailored to the specific product application and the design provides optimal weight, groove diameter and throat angle.