Rotary table 1.Gear wheel and pinions are all made of alloy steel. 2.According to meeds,master bushing and kelly roller bushing can adopt square drive or pin drive. 3.Pin drive type master bushing can put into API standare kelly or hex kelly roller bushing.Long clips and short clips are applicable. 4.Full lubrication and steady seal. Rotary table is according with API Spec 7k standard. rotary tablespecifications ZP175 ZP205 ZP275 ZP375 diametermm(in) 444.5171/2 520.7(201/2) 698.5(271/2) 952.5(371/2) ratingstaticload(kN) 2700 3150 4500 5850 maximumtorqueN.m 13729 22555 27459 32362 distancebetweencenterandcenterchainwheelmm(in) 1118(44) 1353(531/4) 1353(531/4) 1353(531/4) gearratio 3.75 3.22 3.67 3.56 maximumfrequencyr/min 300 300 300 300 heightofinputshaftmm 260.4 318 330 330 size(l×w×h)mm 1972×1372×564 2266×1475×704 2392×1670×685 2457×1810×718