All Stainless Steel Bearing Units 304 Stainless steel Housings +  SUC Stainless Steel Insert Bearings The most common solution for hostile chemical wash down applications, all stainless steel bearing units are composed of the following: Housing 304 stainless steel Nipple 304 stainless steel Rings & Balls 440 stainless steel Set Screw 304 stainless steel Slinger & Seal Frame 304 stainless steel Retainer 304 stainless steel Eccentric Collar(SNA) 304 stainless steel Seal Nitrile & Silicone Rubber Lubrication Mobil FM222 NSF H1 food grade grease Operating Temp. -10° F to 250° F (-20° C +120° C ) Platinum Stainless Steel Housing Units Nickel Plated 304 Housings +  CUC Hard Chrome Coated Insert Bearings Highly effective for intermediate wash down applications, chrome coated inserts can dramatically extend bearing life beyond that of other plated bearing products. CUC inserts are composed of the following: Housing 304 stainless steel Nickel plated Nipple 304 stainless steel Rings & 440 stainless steel Hard Chrome Coated Balls 440 stainless steel Set Screw 410 stainless steel Slinger & Seal Frame 304 stainless steel Retainer 304 stainless steel Eccentric Collar(SNA) 304 stainless steel Seal Nitril & Silicone Rubber Lubrication Mobil FM222 NSF H1 food grade grease Operating Temp. -10° F to 250° F (-20° C +120° C ) Application Food processing machinery Medical equipment Chemical and Agricultural machinery