S6808-2RS Ceramic Ball Bearing 40x52x7mm Sealed Radial Deep Groove ABEC-5 High Precision With Si3N4 Ceramic Balls Stainless Steel Housing Nylon Cage And Rubber Seals For Durable Quiet Operation And Long Service Life

Premium ceramic S6808-2RS bearing, 40x52x7 mm ABEC-5
✔️ 40x52x7 mm ceramic bearing, double sealed RS ABEC-5

This sealed radial deep groove bearing uses Si3N4 ceramic balls inside a stainless steel race with a nylon cage. It’s designed for high-speed, precision work in motors, 3D printers, robotics, and other machinery where low friction and long life matter.

✅ Dimensions: 40 mm ID x 52 mm OD x 7 mm W
✅ Material: Stainless steel races, Si3N4 ceramic balls, nylon cage
✅ Seals: Double rubber RS seals protect from dust and contamination
✅ Lubrication: Grease-filled, self-lubricated (SRL)
✅ Precision: Premium ABEC-5 grade (EMQ) for high-speed runs
✅ Pack: 1 bearing per pack

💡 What is a ceramic ball bearing with ABEC-5 used for in high-speed equipment? This type of bearing delivers precise, smooth rotation under demanding loads.

• Low friction for high-speed motors and precision tooling
• Ceramic balls resist wear and corrosion in harsh environments
• Sealed design wards off dust and reduces maintenance