The balls and rings themselves have to be made from high performance materials; regular iron will not meet the required FDA and USDA standards. A common choice within industry is to use stainless steel balls and rings. They combine high tensile strength with good corrosion resistance and will not contaminate food. However, they are one of the most expensive options, so other materials have been designed as balls as well.

Plastic blends and can be utilized by themselves or with stainless steel, especially in plain or non-rolled style industrial bearings. Coated iron is a less expensive option as well. A chrome coating will improve the balls' hardness and corrosion resistance and increase their durability. Zinc coatings are also common for improving corrosion resistance and preventing contamination.

For more information on all kinds of bearings, please visit the site www.PBA.com.sg

email us at enquiries[@]pba.com.sg or call us at +65 6576 6766



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