China factory high precision ceramic z809 bearingCommon Ceramic materials include: Silicon Nitride (Si3N4), Zirconia (ZrO2) and Alumina (Al2O3). Black SiliconNitride (Si3N4) is the material of choice for inline and sk8board bearings. Balls made of this material are half theweight and twice as hard as steel balls. Avoid buying (white) ZrO2and Al2O3ceramic ball bearings as these areless resistant to crushing and can suffer from catastrophic failure. A properly engineered silicon nitride bearing failsin the same manner as a steel ball through spalling of the ball surface.Production ProcessPackaging & ShippingPackaging:1. Industrial packaging: plastic bag/plastic tube + kraft paper + carton + plywood pallets
2. Commercial packing: 1pc/plastic bag + color box + carton + plywood pallets
3. As the clients' requirementShipping:DHL, FEDEX, TNT,ARAMEX
By SEA
By AIRSkate board 608 ceramic bearing plastic spinner for electric scooterMore ProductsOur advantageFAQ
Q: Are you trading company or manufacturer ?
A: We are factory.
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q: What is your terms of payment ?
A: Payment<=5000USD, 100% in advance. Payment>=5000USD, 30% T/T in advance ,balance before shippment.
Q:Can you give me discount?
A:Yes,of course.And we will quote you lowest price at the beginning.
Q:What should I do if the bearings has something wrong?
A:oh!We will try our best to help you and set up long time cooperation.
Working time,working environment,usage way will influence the life of bearings.
Q:Do you like to serve clients with small orders only?
A:We would like to serve clients with all kinds of orders,big or small.
I believe that you will be larger clients for us.Our CustomerChina factory high precision ceramic z809 bearingRelate products