A POM6901 bearing is a lightweight, corrosion-resistant plastic deep groove ball bearing. It features an inner diameter of 12 mm, outer diameter of 24 mm, and a width of 6 mm. Its rings are made of POM (polyoxymethylene or acetal), paired with either glass or stainless steel balls. Model POM6901 PP6901 PEEK6901 Brand ZH Material Chrome Steel precision P0 P6 P5 P4 Product Description The POM 6901 bearing is a plastic deep groove ball bearing made of polyoxymethylene (POM,