If you looking for one of the best sj-50t worm screw jack manufacturers or a such supplier in China,Website:://.screwjacksj.com, equipped with one professional factory, Sijie Industrial Co.,Ltd is always at your service, we are able to offer you customized sj-50t worm screw jack products.SJ-50T Worm Screw Jack Detailed Information:1: Jack Model: SJ-50T2: Static Load Capacity: Max 50 tons3: Dynamic load Capacity: Max 10.3 tons4: Lifting Screw Diam: 90 mm5: Lifting Screw Pitch: 14 mm6: Gear Ratio: 1/7, 1/14, 1/287: Lifting Speed: 2.5mm/s-50mm/sSJ-50T Worm Screw Jack Specification:ModelLiftingScrew(mm)WormGearRatioTravel perFull turn ofworm (mm)1800RPM1500RPM1200RPMPower(HP)Load(kg)Speed(mm/s)Power(HP)Load(kg)Speed(mm/s)Power(HP)Load(kg)Speed(mm/s)SJ-50TTr90*141/72mm12.721006012.324505012.12850401/141mm7.722350307.662800251.473300201/280.5mm5.463050155.22350012.55.244100100WormGearRatioTravel perFull turn ofworm (mm900RPM600RPM300RPMPower(HP)Load(kg)Speed(mm/s)Power(HP)Load(kg)Speed(mm/s)Power(HP)Load(kg)Speed(mm/s)1/72mm11.5400030115450207.837750101/141mm7.234550156.796200104.79875051/280.5mm4.958507.54.66780053.28110002.5