Thomson Industries SSUPB12 Super Smart Ball Bearing, 3/4" Inside

Features:

• These universally self-aligning bearings offer twice the load capacity or eight times the travel life of Ball Bushing bearing.
• Its unique design with the steel band enables the bearing to preserve it's ID fit-up and self-aligning capability over extended use.
• A universal self-alignment feature optimizes load distribution between ball tracks and assures uniform ball loading over the entire length of the bearing plate.
• This patented product provides smooth, quiet, low drag linear movement at 6x the load capacity or 216 x the L10 travel life of a conventional steel linear ball bushing bearing.