Troughing Impact Idler are Used under loading points where material impact (lump size,density, height) could damage the belt if no cushion. Impact Idlerfitted with rubber rings made from natural / Synthetic / Neoprene material. The fixing arrangement and dimension of rings are suitably design for easy replacement and interchange ability which protect the belt by absorbing impact at loading point. 20º, 35º and 45º Trough Angle