Ultrasonically tested, recirculating. muscle . Ultrasonically tested, recirculating ball bearings offer smooth, straight-line accuracy with exceptional load capacity. Smooth operation is the key. The Best Combination of Raw Power and Precision Design. The no-impact nature means there is less stress placed on the joints.
Smooth operation is the key.
The Best Combination of Raw Power and Precision Design. It's superior to a free weight machine because it's safer for muscles and joints and can be used without a spotter. The Linear Bearing will handle heavy and consistent use with calm, even-handed durability. It's superior to a free weight machine because it's safer for muscles and joints and can be used without a. muscle . Ultrasonically tested, recirculating ball bearings offer smooth, straight-line accuracy with exceptional load capacity.