6203-2RS Crowned Outer Surface Ball Bearing 17x40x12mm ID 90mm 💡 Why use flanged ball

💡 Why use flanged ball bearings in slot cars

and longer service life

23244EW33 Spherical Roller Bearing

Shaft Diameter: 2 1/2" Inch

6203-2RS Crowned Outer Surface Ball Bearing 17x40x12mm ID 90mm 💡 Why use flanged ball6203 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