Under what circumstances should pot bearings be used instead of elastomeric bearings?

In the event of high vertical loads combined with large angle of rotations, rubber bearings are undesirable when compared with pot bearings. For instance, elastomeric bearings require large bearing surfaces so that compression can be maintained between the contact surfaces between the bearings and piers. Moreover, it also leads to uneven distribution of stress on the piers and some of these highly induced stresses may damage the piers. Consequently, pot bearings are better alternatives than elastomeric bearings in such an scenario as suggested by David J. Lee.

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It should be used bearings and bowl instead of a flexible bearings in

  The focus of heavy work in bearing and stable for a period of

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Whene there is a heavy duty work concentrat at the bearing it's prefferrd to used iron ball bearing or not influnce with heating making changing with there diemensions used brassing matel.

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