TriSteel are the only bearings to offer a stainless steel substrate and are among the top performing composite bearings. Featuring a unique polymer liner that is sintered to a porous bronze interlayer, TriSteel bearings are self-lubricating and can withstand the most rigorous of working environments. TriSteel can easily manage high-loads and excessive speeds, and can protect your machinery in the rare instance of a liner wear-thru, since the supporting interlayer is also self-lubricating. Whether your job calls for standard or metric dimensions, or requires a steel, zinc or copper-plated backing, TriSteel has you covered. Well help you match the right material to enhance product wear life by evaluating the speed, load, temperature and lubrication of your hardware. And well do it all at a competitive value.