Single Flanged Rail Wheels can be supplied with plain bore, keywayed or fitted with the following type bearings :-
Self lubricating or Bronze bushes for high loads, low speeds and moderate friction.
Deep Groove ball bearings for moderate loads, high speeds and low friction.
Taper Roller bearings for high loads, moderate speeds and low friction.
Different materials, seals and lubricants can be offered for all types of applications.