This reduces friction resistance, consumes less energy and attains a far lower starting friction level than all other conventional bearings. The Best Combination of Raw Power and Precision Design. The Best Combination of Raw Power and Precision Design. Ultrasonically tested, recirculating ball bearings offer smooth, straight-line accuracy with exceptional load capacity. Simply lock the bar into position and add your weights.
Smooth operation is the key.
Ultrasonically tested, recirculating ball bearings offer smooth, straight-line.