Drive Rollers and Idler Rollers Selection Guide: Types ...
Drive and idler rollers are subject to a selection of standards, including: NPFC - A-A-59955 - Conveyor, roller, gravity, dock, high-line, conveyorized. ASTM B633 - Specifications for electrodeposited coatings of zinc on iron and steel. ISO 606 - Short-pitch transmission precision roller and bush chains, attachments and associated chain sprockets.