WMW-Glauchau Model SIP 315 x 500 Internal Grinding Machine Internal grinding diameter: 12" / 315mm Grinding depth: 20"/ 500mm Swing diameter: 20"/23" - 500mm /600mm Max bore diameter ground: 12" / 315mm Min grindable bore diameter: 1.18" / 30mm Grinding depth max: 20" / 500mm Stroke of the table: 32" / 800mm Center height: 12" / 315 mm Swivel range of workhead: 30 Spindle Bore: 1.65" / 42mm Cross traverse of workhead: 7.48"/ 190mm Capacity Between Centers: 700 LBS Main Motor Drive: 13 HP Equipped With 12" 3 Jaw Diameter Chuck