6903-2RS Hybrid Ceramic Bearing 17x30x7mm Si3N4 ABEC-5 - Nylon Cage

6903-2RS Hybrid Ceramic Ball Bearing
✔️ 17mm x 30mm x 7mm - ABEC-5 with Si3N4 Balls & Nylon Cage

This 6903-2RS bearing is a high-speed hybrid setup with ceramic balls and a nylon cage, made to deliver smooth rotation and long-lasting performance. Built with chrome steel rings, double rubber seals, and Si3N4 ceramic balls, it's perfect for demanding applications like 3D printers, e-bikes, and precision tools. Comes pre-lubed and sealed for maintenance-free use.

✅ Size: 17mm ID x 30mm OD x 7mm width
✅ Hybrid ceramic design with Si3N4 ceramic balls
✅ Chrome steel rings and nylon cage
✅ Double rubber seals (2RS) block dust and moisture
✅ ABEC-5 precision rating for high-speed accuracy
✅ Radial clearance: C3
✅ Lubricated with SRL-grade grease
✅ Quantity: 1 bearing

💡 What makes ABEC-5 hybrid ceramic bearings ideal for high-performance gear?
These bearings are tuned for speed and precision:

• Tighter tolerances mean smoother, quieter rotation

• Ceramic balls reduce rolling friction and resist wear

• C3 clearance allows thermal expansion at high RPMs

• Great for electric motors, printers, and racing gear

Want less friction and more performance? This 6903 hybrid bearing’s got what it takes. Grab one and spin your setup to the next level.