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Linear ball bearings is its structure within the outer ring is equipped with retainer, retainer is equipped with multiple steel ball, and infinite loop movement.Retainer spring collar within fixed on both ends, in the steel ball bearing work straight track side have a gap in the window.This part is made of steel ball by load rolling contact.Relative movement with very low friction coefficient, so linear ball bearings for machinery and equipment, automation equipment, energy-saving equipment such as the most appropriate selection of bearings. Linear motion bearings, is being more and more widely applied to electronics, machinery, instrument, robots, tools, machinery, food machinery, packaging machinery, medical machinery, printing machinery, textile machinery, CNC machine tools, automobile and other general or special machinery industry.The advantages of using linear ball bearings:1. Due to the flow of contact can make the starting friction resistance and dynamic friction resistance is minimal, so you can save energy, easy to get a high speed. 2. The load increase, but the friction coefficient is not sensitive to changes, so under heavy load, small friction coefficient, and the accuracy unchanged for a long time, can get mechanical service life is long. 3. Good linear motion bearing interchangeability, easy installation and use to save time, and make the mechanical structure is novel, small, lightweight characteristic. 4. Save to oil formalities, simplifies the lubrication and maintenance. 5. On both sides of additional oil seal bearing dust also apply to more easily invaded by a foreign body or places.