Renold Roll Ring: The ROLL-RING® is designed to deform to an elliptical shape, when the drive is in use. This is due to ROLL-RING® being compressed completely absorbs any slack in the system. ROLL-RING® chain tensioners are maintenance free and can be fitted to a wide variety of chain drives with no installation downtime.
The ROLL-RING® has been modified to the requirements of higher operating temperatures.
Simply bearings are the UK's largest online retailer of bearings, seals, belts, chains, sprockets, lubricants and other associated power transmission equipment.
Simply Bearings Ltd, Halton House, Greenfold Way, Leigh Greater Manchester WN7 3XJ United kingdom