Roll diameter (mm): 320 380,370 430,420 480,520 610,610 170,700 800 Roll body length (mm): 650,650,650,760,760,900 Rolling force (KN): 1000,1000,1500,3000,4000,6000, Rolling moment (KN * M): 100,100,150,400,500,850 technical note: 1. Roll gap adjusting device for a parachute gear drive and worm drive turbine in two ways (optional), hydraulic motor drive, operating side and the drive side can be adjusted independently. 2. Axial adjustment for the double-screw adjustment. 3. Mill lock by lock disc spring, hydraulic opening. 4. Roll balanced by damping body balance. 5. Bearing lubrication with dry lubrication oil lubrication and oil and gas in two forms (optional). 6. Conductance bit adjustable beam centerline.