b'Leicesters the Place30 Years of Arvis Channel Tunnel Bearing UnitsA huge part of historyhow Arvis bearing units continue to power the Channel Tunnels ventilation system three decades on from completion.The Channel Tunnel, a 50-kilometreby the movement of the trains and can undersea railway tunnel connectingescape at each station. However, with Folkstone in the UK, to Coquelles inthe Channel Tunnel there is only one France, was opened 30 years ago on 6thopening at each end, so extra ventilation May, 1994. This was a significant build,is required.with the tunnel being the only fixed linkThe spherical seating allows constant between the island of Great Britain andre-alignment of up to 15 during the European mainland. operation, eliminating the need for precise positioning and alignment during installation. The working clearance of the bearings on the shaft means no pressArvis bearings are proven to be long life fitting is needed as with some rollingwith minimum maintenance, meaning element bearings. sealing is unnecessary in most cases. Excellent load carrying capacity preventsIn June 2024, Criptic Arvis was welcomed edge loading thus allowing full use to beinto the Bowman International Group made of bearing performance.following an acquisition. Arvis are Arvis played a huge part in theoptimistic about the new chapter as a construction of the Channel Tunnel,part of Bowman International.providing the bearing units for the tunnel ventilation system, with self-aligning plainContact here: bearing units that do not require oiling.+44 0116 2609700 This made them more suitable thansales@arvis.co.ukrolling contact bearings and allowed themwww.arvis.co.ukto work better in the environment.When travelling on the LondonUnderground, the air is pushed and pulled The Criptic Arvis team in Leicester 38'