Hydraulic Cylinder/Ram – Double-Acting / Hydraulic Return, 55 ton Capacity, 6.250 in Stroke, 12.969 in Retracted, 19.219 in Extended | RD556

RD556 CYL 55TON 6-1/4 STROKE High-tonnage premium design, high cycle cylinder for bridge lifting, ship building and mining applications with builtin safety relief preventing over pressurization when retracting Perfect for bridge lifting, building reconstruction, shipyard, utility and mining equipment maintenance Aluminum bronze overlay bearings provide long life, chrome plated piston rod resists corrosion Load cap snaps out to expose internal piston rod threads for pulling applications; threads withstand full tonnage Grooved ring pattern in load cap helps guard against load slippage Each cylinder has two 9796 3/8″ NPTF female half couplers Built-in safety relief valve prevents over-pressurization of the retract circuit Feature mounting holes and collar threads