In these pool covers (above-ground facilities) ball bearings were used for the shaft bearings in the past, which however had to be elaborately sealed with a shrink tube. This required a high installation effort and yet never kept it tight properly. Depending on the size of the swimming pool cover, igus® igubal® flange bearings of the EFSM series are now used.
Advantages of igubal® flange bearings in swimming pool covers
Resistance to media (for example to chlorine)
Cost advantage over previous solution