... Reduction of system damaging vibration. Axles are independently spring loaded. Greater bearing life. Stainless steel, PVC, ... stainless steel bearings. Female threaded, male threaded & spring loaded axles. Low temperature application. Product series: ZY2240ZY ... stainless steel bearings. Female threaded, male threaded & spring loaded axles. Product DescriptionChain drive Roller, use precision bearing ...