Pay in 4 interest-free payments of $3.50 Learn more
Ships within 48 hours · Estimated delivery Sep 27 - Oct 2
SR4Z Ball Bearing
this one’s ready to roll
💡 Why use flanged ball bearings in slot cars
it's ideal for heavy-duty rotating equipment where durability and clean operation matter
6203-2RS Crowned Outer Surface Ball Bearing 17x40x12mm ID 90mm SR4Z Ball Bearing6203 2RS Ball Bearing Concave Outer Surface Double Sealed Chrome Steel 17mm x 40mm x 12mm This deep groove 6203 2RS bearing comes with a crowned (concave) outer ring, making it ideal for applications where the bearing needs to roll along a curved surface. It's double sealed with rubber to keep out dirt and grit, pre greased for smooth rotation, and built from chrome steel for lasting strength. Concave crowned outer surface for curved track rolling
