DescriptionPOM Plastic BearingCorrosion resistance, bendy rotation, anti-rust, little need for lubrication.POM has a small friction factor, nice wear resistance, and uses high-strength glass balls to rotate smoothly and reduce noise. Good electrical insulation, hardly plagued by temperature and humidity;There is little replace in humidity and frequency range.POM has ideally suited mechanical properties, and its energy can attain 50.5MPa, which is terribly near to metal. It is simply 2.3% at 20℃, 21MPa, 3000h, and it isn't suffering from temperature, and the friction ingredient is small.Good wear resistance and excessive fatigue strength.Material: Polyoxymethylene (POM), called "super steel" or "sai steel", additionally referred to as polyoxymethylene. It can be used usually in an environment as much as 90°C.Ferrule: The inside and outer rings are made from POM materials known as Saigang for longer existence and more durable.Cage: The cage is fabricated from PA66 nylon, which is mild in weight and has low resistance and isn't always clean to break.Rolling ball: Rolling ball adopts high-strength glass ball, which rotates easily and is extra wear-resistant.Chamfering: nice workmanship, mushy surface, clear and around chamfer.If you are satisfied with our products, pls give us five starsYour delight and fine feedback is essential to us. Please leave advantageous suggestions and 5 stars when you are satisfied with our items and services. If you've any issues of our items or services, please feel free to touch us first earlier than leaving negative feedback. We will do our greatest to solve any issue and supply you with the best visitor service. We will provide you with wonderful feedback upon receipt of payment. If you're disenchanted with the items, please contact our Customer Service.We preserve high criteria of excellence and strive for 100 percent customer satisfaction! Feedback is vital We request that you contact us directly earlier than giving us neutral or damaging feedback, so that we can satisfactorily deal with your concerns.It is not possible to deal with disorders if we do not know about them!Payment1) We accept Alipay, West Union, TT. All primary credit cards are accredited through the safe price processor ESCROW.2) Payment ought to be made within 3 days of order.3) If you can't checkout immediately after auction close, please wait for a couple of minutes and retry Payments should be accomplished within 3 days.About shipping1. SHIPPING WORLDWIDE. (Except some international locations and APO / FPO)2. Orders processed timely after the payment verification.3. We only deliver to confirmed order addresses. Your order tackle MUST MATCH your Shipping address.4.The pictures shown are not the actual merchandise and are in your reference only.5. SERVICE TRANSIT TIME is supplied via the service and excludes weekends and holidays. Transit instances may vary, especially in the course of the holiday season.6. If you've not obtained your shipment within the time, please contact us. We will persist with the shipment and come back to you asap with a reply. Our goal is customer satisfaction!7. Due to inventory popularity and time differences, we are able to decide to ship your item from our first obtainable warehouse for instant delivery.8. We seller is not answerable for import tax, customer is responsible for it. Any dispute attributable to here is irrational.9. BR buyer supply the cpf or cnpj, it is going to be larger for you to get it as soon as possible. ThanksReturn and Refund1. You have 30 days to contact us and 30 7 days to come it from the date it become received. If this merchandise is on your ownership for greater than 7 days, it's considered used and WE WILL NOT ISSUE YOU A REFUND OR REPLACEMENT. NO EXCEPTIONS! Shipping cost is endure via seller and buyer in half.2.All goods MUST be returned within the original packaging and also you MUST present us the shipping tracking number, particular reason for the return, and your po #.3. We will refund YOUR FULL WINNING BID AMOUNT, upon receipt of the thing in its long-established condition and packaging with all substances and accessories included, AFTER BOTH Buyer and Seller cancel the transaction from aliexpress. OR, you would possibly choose to have a replacement.4. We will endure all shipping cost if the product (s) is (are) now not as advertised.