300 x 80 mm flanged wheel polyamide spr 2505k 300 350 80 90Precision machined flanged wheel made of cast polyamide 6G for continuous use in rail and profile guides. The circumferential flange keeps the wheel securely on the running surface whether on flat rails, angle irons or special profiles and prevents it from breaking out laterally, even under load and lateral forces. Material Polyamide 6G (PA6G) Cast engineering plastic, tough and high strength with low self weight. Low noise, wear resistant and