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Miniature ZrO2 Zirconia Full Ceramic Ball Bearing Zirconia Roller Ball Bearings Product Description： Product Name : Miniature full ceramic and full porcelain bearings Product Advantage: High Temperature Resistance: with Cage Can Withstand 180 ° C Full Ball Can Withstand 400 ° C Excellent Corrosion Resistance: Almost No Fear of Corrosion, so Ceramic Bearings Are Suitable for Use in Harsh Environments. Non-absorption of Water: No Fear of Seawater Corrosion, No Rust, Almost 0% Water Absorption Rate Long Life: Because of Its High Hardness and Self-lubricating Characteristics of the Life Is Much Higher than the Traditional Bearing Steel Material. Wide Application Environment: the Thermal Expansion and Contraction of Ceramics Is Smaller than That of Steel, so Zirconia Ceramic Bearings Can Be Used in Environments Where the Temperature Difference Between the Upper and Lower Temperatures Is More Drastic. Self-lubricating: Reduce the Coefficient of Friction to Increase Wear Resistance so That Bearings to Extend the Service Life. Cage – Sealing Cover: Cage Using “Ptfe (Polytetrafluoroethylene)” Can Withstand High Temperatures of 150 ° C, Excellent Chemical Stability, Corrosion Resistance, Sealing, Electrical Insulation, Wear-resistant to Become His Advantage, Zirconia Ceramic Bearings Cages and Sealing Cover Are Made of Ptfe, Low Noise Friction Coefficient Is Small, in the Zirconium and Ptfe Collocation, so the Bearing Can Be Used for Longer Service Life. the Combination of Zirconia and Ptfe Greatly Improves the Smoothness and Wear Resistance of Ceramic Bearings. Anti-magnetic Insulation: Because the Insulation Is Non-magnetic, the Bearing Itself Will Not Absorb Dust to Reduce the Surface Friction Brought About by the Absorption of Powder off, and Reduce the Operating Noise, Can Be Used in Demagnetisation Equipment, Precision Instruments and Other Fields. Product Technology: Zirconia Full Ceramic Bearings, Inner and Outer Rings Are Made of High-precision Zirconia Material, High-temperature Resistant, Acid and Alkali Resistant, the Internal Ball Is Made of High-precision Grade Zirconia Ceramic Ball, Which Reduces the Noise and Vibration of the Bearings. Delivery Details:We Only Accept Your Ebay Address,Please Make Sure It’s 100% Right. The Items You Ordered Will Be Shipped out in 2 Business Day by Air Mail When Your Payment Is Clear. Terms of Sales：If You Are Not Satisfied with the Item, Please Contact with Us.We Will Offer Full Refund to You When We Receive Your Returned Item.Any Problem, Please Feel Free to Contact with Us. About Us:If You Are Satisfied with the Products,I Expect You Can Leave Us a Positive Feedback.If You Have Any Problem or Be Not Satisfied with Them,Please Feel Free to Contact Us,We Will Reply You Within 24 Hours. Contact Us: We Care About Our Valued Buyers, If You Have Any Questions, Our Customer Service Staffs Will Be Very Glad to Help You. We Try Our Best to Reply to Your Emails As Soon As Possible, However, Due to High Volume of Daily Incoming Emails and Time Zone Difference, We May Not Be Able to Reply Your Emails Immediately. Please Allow 24 Business Hours for Us to Response. About Item:for the Functional Products in Our Shop, We Make Sure That the Functions Are the Same As Description, but the Actual Color and Shape May Looks a Little Different from Pictures Because of the Technical Improvement and Manufacturing Variance. Please Be Advised Package Include: According to Your Choice!On Jul 28, 2023 at 08:16:25 PDT, seller added the following information:

Description: -Material: Silicon Nitride -Precision：G5 -High precision, good wear resistance, high temperature resistance, high toughness and corrosion resistance, high rigidity, non-magnetic conductivity, electrical insulation green, smooth surface and easy to clean -At 800°C, the strength and hardness are almost unchanged, and its density is 320g/cm3, which is almost 1/3 of the weight of bearing steel, and the centrifugal force is small during rotation, which can achieve high-speed operation. It also has self-lubricating properties, and it can be used in environments with high pollution without lubricating media. Applicable to high-precision hybrid ceramic bearings and full ceramic bearings. -Silicon nitride ceramic balls are precision ceramics sintered at high temperature in a non-oxidizing atmosphere. They have high strength, high wear resistance, high temperature resistance, corrosion resistance, acid and alkali resistance, can be used in seawater for a long time, And has good performance of electrical insulation and magnetic insulation . -Compared with steel, silicon nitride ceramic balls are lighter in weight than steel, have a small friction coefficient, and have good sports performance, and their elastic modulus is 50% larger than that of steel. Can maintain high strength and hardness before 1000 °, corrosion resistance, no rust, non-magnetic, can work under the condition of no oil lubrication -High precision, dimensional tolerance of ±00002mm can be used in high standard fine environment. -Application field: Refining furnace, high temperature conveying device, inspection equipment, medical equipment wire and cable production line, semiconductor, LCD screen, chemical complete equipment, food machinery, welding production line plating equipment, photovoltaic equipment, food equipment, etching equipment, various corrosive conveying Equipment, LCD panels, etc. production equipment and its internal conveying equipment, solar cell production equipment, conveying equipment in clean rooms, semiconductors, vacuum coating equipment, vacuum manipulators Package Include: According to your choose! Payment: We accept Paypal only, It is fast, Easy and Safe. Payment must be completed within 7 days. PLEASE NOTE: S&H DOES NOT INCLUDE DUTIES, LOCATL TAXES OR ANY OTHER IMPORTATION FEES. Please list your special requests (color, packages, etc.) in the PAYPAL NOTES SECTION when you make payment. Shipping: We Ship to Worldwide. Orders processed within 24-48 hours of payment verification. it will take 15-25 days for delivery. but Customs will random inspection some parcel, so that’s why some parcel need more than four weeks to arrive. Shipping time is only estimated and not guaranteed. We only ship to confirmed PAYPAL addresses. Your PAYPAL address MUST MATCH your Shipping address. Package to USA will Shipping by E-Package with Tracking Number(7-15 Days to Delivered). To other Countries will shipping by Post Air Mail without tracking number(ONLY when the order is over 20USD will supply Tracking Number Shipping Way!)(15-35 Days to Delivered) Items are shipped via China Post Air Mail. Guarantee: Good Good quality. Buy with confidence! If you are not satisfied when you receive your item, please return it within 7 days for a replacement or money back. Please contact me before you return it. Not accept returning of electronic components. Full refund after we receive our original item, Note: Return shipping is to be paid by the Buyer. We maintain high standards of excellence and strive for customer satisfaction! Feedback is very important to us. We request that you contact us immediately BEFORE you give us neutral or negative feedback, so that we can satisfactorily address your concerns.