ANSI/ASME B29.100-2011 Precision Power Transmission, Double-Pitch Power Transmission, and Double-Pitch Conveyor Roller Chains, Attachments and Sprockets
This Standard covers double-pitch roller chains (and their attachments and sprockets) which consist of series of alternately assembled roller links and pin links in which the pins articulate inside the bushings and the rollers are free to turn on the bushings. The pins and the bushings are press-fitted into their respective link plates.
ANSI/ASME B29.100-2011 history
2011ANSI/ASME B29.100-2011 Precision Power Transmission, Double-Pitch Power Transmission, and Double-Pitch Conveyor Roller Chains, Attachments and Sprockets