Place of Origin: China (Mainland)Package content: 1PC Linear ball bearingThis is a brand new era of maintenance-free linear bearing, in contrast with metal bearing, it has many good features:Maintenance-free,Self- lubricating,Non-oiling,Lower noise,Dust resistance,Shock absorption,Lower magnetic propertiesHigher put on resistance,Corrosion resistance,Self-draining,Non-rusting,Light weight,Humidity resistance,Low coefficient of friction,Clean and hygienic,high temperature resistance,Dust resistance,no injury to the shaft,no shaft clamping,can be cleaned,water proof, can be used underwater,high load,no want lubricating,The durable type internal ring has a smaller coefficient of friction, greater hardness, longer service life, it is better in general performance and mechanical properties than the economical type.FAQQ1: Why prefer us?To present our prospects with first class amenities within the delivery of high quality minimizing costs.Q2: Is your company a trading corporation or a manufacturer?A: We have our own factory.Q3: What’s your Delivery Time?Standard parts: 7-20daysNon-standard parts: 15-25daysWe will make the shipping as quickly as probable with the warrantly qualityQ4: How to address when the obtained components are of poor quality?A:If there may be any non-conformity of the product, please touch us immediately, we are able to check the problem in the first time and reply you.Q5: How to Custom-made?If you've a new product drawing or a sample, please send to us, and we are able to custom-made the as your required. We will also present our legitimate advices of the products to make the design to be extra learned & maximize the performance.