... cylinder 2,Doubl action with adjustable air cushion. 1,CA2 tie rod cylinder normal bore size from 40mm to 100mm and the ... gurantee longer lifetime.5,With self lubricating bearing,the piston rod is lubrication free.6,Magnet and sufficient fixing style are ... available.7,Precision grinding piston rod and imported seals for long lifetime. pneumatic air cylinder SMC type CA2 tie rod type