●firm shaft system ,compacted structure , easy installation . ●suitable for heavy load and severe condition, e.g. main shaft of CNC machine tool etc. . ●with Φ50 locating flange ,Φ15 shaft diameter(flat key）. ●install with flange ,with oil seal device . ●strong load capacity of shaft ,service life long . ●various electric output mode can be selected . ●example ：aerial plug side connection ,1200P/R ,DC5V power supply , driver AM26LS31 output . named as ：HZS50-15A-1200BZ-C05L