ANSI100 20A
General information
American standard roller chain according to ANSI B29.1. ANSI100. Chains marked 20A have a pitch of 31,75 mm, an internal width of 18,9 mm and a roller diameter of 19,05 mm.
American standard roller chain according to ANSI B29.1. ANSI100. Chains marked 20A have a pitch of 31,75 mm, an internal width of 18,9 mm and a roller diameter of 19,05 mm.