Inquiry (采购产品): sealed pillow block ball bearings these bearing s are for replacementof bronze bushings in swamp coolers. most shaft sizes are 3/4 and 1 inch. much salt and calcium build-up causeing early failure of the bronze type. **** Hidden Message ***** harry swaney 92239 Company: S&D trailer park E-mail: harryswaney@aol.com **** Hidden Message ***** harryswaney@aol.com