When buying castors do you think to yourself….What Bearing do I need? How do I work out load rating? Which wheel should I go for? If so you are not alone. We are regularly asked by customers how do we calculate load ratings, what is the best wheel for their application etc. We now have a concise guide for this in our catalogue.Our Catalogue is available to download/browse on our website. www.rolltek.co.uk. At the beginning of the catalogue there is a ‘Castor and Wheel Guide’ This explains the different types of mountings, castor configurations,wheel types and bearing types. This section may answer some of your questions. However, should you still not be sure of what you require or have a specialist application then please contact email@example.com or phone us on 01327 313125. Its better to be safe than sorry.