6203ZZ Hybrid Ceramic Bearing Si3N4 Balls ABEC-5 17x40x12mm

S6203ZZ Hybrid Ceramic Ball Bearing
✔️ ABEC-5 Stainless Steel with Si3N4 Balls, Shielded 17x40x12mm

This S6203ZZ is a high-performance hybrid ceramic bearing featuring stainless steel rings, low-friction Si3N4 ceramic balls, and double metal shields. Built to ABEC-5 specs for smooth, accurate rotation, it’s pre-greased and ready for use in motors, 3D printers, and precision machinery where speed and reliability matter. Sold as one bearing.

✅ Inner diameter (ID): 17mm
✅ Outer diameter (OD): 40mm
✅ Width: 12mm
✅ Balls: Silicon nitride (Si3N4) ceramic
✅ Rings: Stainless steel
✅ Cage: Nylon
✅ Closures: Double metal shields (ZZ)
✅ Clearance: C0
✅ Lubrication: Greased (SRL)
✅ Precision: ABEC-5
✅ Pack size: One bearing

☑️ 6203-2RS1
☑️ 6203-2RZ

💡 Why choose ABEC-5 hybrid ceramic bearings for high-speed applications?
They’re smoother, faster, and longer-lasting than standard steel-only options.

• Ceramic balls reduce friction and run cooler

• Stainless rings resist corrosion and maintain shape

• Double shields block dust without drag

• Great for motors, electric tools, and printers

Smooth, fast, and ready to work, add this bearing to your build and roll with precision!