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Ball Thrust Bearings - Which One is Best For My Application?Depending on the conditions in which you will use your thrust bearing, there are some considerations when choosing between available construction materials. Your choices should be determined by the application intended for your thrust bearing. Ball thrust bearings, sometimes referred to as a flat-race thrust bearings, are composed of ball bearings supported in a retainer ring and are held between two thrust washers. Thrust bearings allow smooth rotation under high thrust loads at low and medium speeds. Whether the rolling element is a ball, needle or a roller, they are designed for pure thrust loads, and can handle little or no radial load. Complete thrust bearing assemblies usually include two thrust washers and a ball retainer and typically come in standard and metric sizes, with custom sizes available. Depending on the conditions in which you will use your thrust bearing, there are some considerations in choosing it's construction materials. The ball retainer can also be made of different materials, such as nylon or metal. A nylon retainer offers several advantages over a metal one. Injection molded, heat stabilized nylon retainers are lightweight, provide a natural lubricity eliminating the need for lubrication. Nylon retainers are corrosion resistant, provide quieter operation and a long service life. Another important advantage is that nylon retainers are less expensive and make a great economical choice. The remaining components, the ball bearings and thrust washers, should be chosen to match the application and environment in which they will operate. Typical material choices include stainless steel or hardened carbon steel. Stainless steel works well in environments where moisture, corrosives may be present. They are widely used for food and beverage processing machinery, medical devices and a wide range of applications where moisture may be present. A carbon steel thrust bearing with hardened steel components is a great choice for non-corrosive environments. Combining the cost saving and performance
advantages of a nylon ball retainer with the strength and durability of
steel creates a new generation of economical high-performance thrust
bearings. Typical applications include advertising signage, printing
equipment, marine hardware, point of purchase displays, medical
instruments, manual valves Article Tags: Ball Thru Source: Free Articles from ArticlesFactory.com
ABOUT THE AUTHORTorque Transmission's cost-saving thrust bearing design incorporates the time-proven advantages of a molded nylon retainer, with hardened grade steel balls and washers. The self-lubricating property of nylon, combined with the high-grade bearings, reduces friction and the micro finish thrust washers reduce noise and increase durability. Torque Transmission manufactures Thrust Bearings, Pulleys, Right Angle Gear Boxes & Speed Reducers and Roller Chain Sprockets in standard and custom sizes. Our product line is designed to provide our customers a comprehensive solution for fractional horsepower motion control and variable speed transmission applications. Our in-house design capabilities, tooling and manufacturing expertise allow us to respond quickly and to be your single-source supplier. 
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