2¼ / 3" Trackball Bearing Kit Atari/Happ
Item #: 225-3TBBKIT
New April 2022... New unshielded trackball bearings with no lubrication. These bearings are fast and won't slow down like most shielded and greased bearings.
Atari 2.25" and 3" trackball bearing kit. Six bearings are included in the kit.
Reference Atari part #: 035937-01.