滚珠

Ball bearing This product is made of copper or aluminum or POM resin base material and well arranged steel balls. The products are widely used in machinery industry, such as cold punching mold, precision machine tools, etc.Soundin quality linear ball bearing retainerin different types and specifications for your choice, also called ball bearing cage,ball bearing bushing,ball bearing bush,ball retainer & Die parts & die fittings for Press die punch.Our customer can avail top class ball bearing cages from us. These cages act as a separator for positioning the balls at equal distances around the bearing raceways. Known for their corrosion resistance and durability, our ball bearing cages are ideal for applications that demand:High-speed rotation /Low vibration/ and Low noiseSome of these applications are:Transmissions Electric motors & generators Pumps Compressors Gear boxes Drive elevators Textile machinery Printing machinery Two wheeler axlesProduct specificationMax. loading capacity : 30N/mm2Max. sliding speed : 6m/sFriction coefficient : 0.01 0.08Shrink fit : 0.01 0.002mmMaterial: plastic (resin ),aluminum alloy(bushing),copper(bushing),steel(ball).Hardness: 62 67HRC,spherical degree is 0.25UM.Features1. low friction coefficient2. Able to move in both radial and axial directions3. High precision, working in high speed4. Different specs ,also can manufacture upon request5.It can decrease fatigue damage causing by rolling contact and side damage on machine parts and prolong service life.6.sound quality steel ball retainer with excellent performance of hardness,glossiness,buildiness,abrasion resistance,long service-life.The bushing has 3 types,which is made of steel( it can made of other material ,just like ceramic,plastic etc.)NO 1: Plastic bushing (blue,white colour; NO 2:Aluminum bushing(white,cupreous colour); NO 3:Copper bushing(copper-colored).Also each type with the Standard Kind,the Compact Kind and the Ultra-compact Kind.The compact Kind has more steel balls than the Standard type with the same specifications, it is more reliable when comparing the service-life and abrasive resistance etc. While the Ultra-compact Kind has the most steel balls. Also we have many other kinds of precision mould parts available for export. More than 6 years manufacturer in this line can provide you the best mould parts you want!Advantage1)We provide diffirent mould accessories ,you can choose by diffirent prices,different type.2)Abundant profession experiences and more than 6 years manufacturing history.3)Excellent service and quality to our customers,and large groups of excellent technical specialists provide a total solution to your offer..Thanks for youreviewing the information.More details,pls contact me(Cindy).I'm glad to give you the best service.