084 (12,7x4,9mm)
General information
084 is a European roller chain. 1/2" x 3/16" size. Its division is the same as that of type 083, it does not have a separate sprocket, it is used with sprockets of type 083. Pitch 12.7mm, roller diameter 7.75mm, roller width 4.9mm. Its pin length and wall thickness are different from 083!