High phosphorous electroless nickel plated 52100 steel for exceptional corrosion resistanceHigh performance triple lip contact seal design provides multi-directional sealing with 304 stainless steel body and flinger to minimize contamination ingress and retain lubricationFluoropolymer coated cast iron housing for corrosion resistance.Zone hardened inner ring with 120° spacing setscrew lock with corrosion resistant setscrewsExclusive locking pin and dimple system provides a direct lubricant into the bearing cavity & ball path instead of around a lubrication groove, prevents outer ring rotation.Unique land riding retainer design provides superior pocket clearance that allows for 360° grease circulation around the rolling elements resulting in better retained and utilized lubrication.Tapered Lands ensures that lubricant will be easily redirected back to the raceway.USDA H1 complaint food grade grease