specifiions for super grinding machine

Cylindrical Grinder Spindle Parker Majestic style 2251 precision belt driven grinding spindle for 17000 or 21000 rpm operation This spindle accepts 58 series quills or an RD16 collet chuck and ER16 collets 3 Cylindrical Grinder Spindle Parker Majestic style 2621 precision belt driven grinding spindle for 25000 or 30000 rpm operation