Hewitt-Robins drum pulleys are designed utilizing a single-piece rolled plate rim, continuously welded end discs and extra strength intermediate discs, as required. End disc accuracy is assured by utilizing computer controlled processes. Pulleys are tested for T.I.R. requirements and supplied with hubs bored as specified by the customer. As a standard, drum pulleys are crowned* to assist with proper belt alignment. Straight face designs are available, but must be specified.

*Hewitt-Robins pulleys are crowned 1/16” to 1/8” on the diameter per foot of total face width.