features:

Acetal races as standard
Polypropylene,PEEK, nylon and other materials for bearing races also available
Stainless steel 316 balls as standard
Glass, plastic and other stainless steel ball types available

advantages:

Corrosion resistant
Lubrication free
Lightweight
Low friction
Quiet
Hygienic
Maintenance free
Non-metallic with glass balls
Non-magnetic with glass balls
In excess of 25 years proven performance