American Contex Corp. offers ACC-Himmel saw arbor motors and cutter spindle motors, available in 1-hp to 75-hp, 1800/3600/7200 rpm, complete with saw collars and nuts, threaded or other special shafts as required. They are used where direct mount saw blades, cutterheads and grinding wheels are utilized. According to the company, most sizes are available from stock in the United States. (212) 249-2670, AmericanContex.com