... 114,127,159 etc.Carring idler,return idler,impact idler,centring idler,spiral idler,comb sharp ... dia,Idler tube thk,Idler length,Idler material.1.Stable running,good quality.free maintenance.2. ... painting, electric static spraying painting, baked painting Advantage:(1)Low friction coefficient, waterproof, effective sealing system,(2 ... according to the customers requirement. Belt Conveyor idler roller