This bearing is designed for a 4 1/2" trackball. If you find your trackball is not spinning as quickly as it should, the bearings may be bad. This bearing is a high quality replacement. Also, see our full set of 6 bearings!

• This bearing is designed for a 4 1/2" trackball.
• If you find your trackball is not spinning as quickly as it should, the bearings may be bad.
• Used in Arcade machines
• Replacement part
• High Quality Product

This bearing is designed for a 4 1/2" trackball.Game Room Guys