6903-2RS Hybrid Ceramic Bearing 17x30x7mm Si3N4 ABEC-5 - Nylon Cage Outer Diameter - 3 11/32 inch (3.34375") These bearings combine a compact

These bearings combine a compact size with durable chrome steel construction and dual rubber seals

✅ Use: Ideal for electric motors

Size: 130 x 280 x 93 mm

✅ Lubrication: Pre-greased for smooth motion

3/32" Slot Car Axle Ball Bearings

6903-2RS Hybrid Ceramic Bearing 17x30x7mm Si3N4 ABEC-5 - Nylon Cage Outer Diameter - 3 11/32 inch (3.34375") These bearings combine a compact6903 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