Koch Industries standard roller chain is a long life chain that will work with standard sprockets on agricultural and industrial equipment. Our standard roller chain meets ASME/ANSI B29.1 standards and is shot peened during production to increase metal fatigue resistance. All chain is pre-lubricated for wear resistance. Tensile strength: 1,030 lbs. Roller Diameter: 0.130, Roller Width: 0.122, Pin Diameter: 0.091, Link Plate Thickness: 0.030, Link Plate "H": 0.232, Pin Length "R": 0.307.Standard roller chain meets ASME/ANSI B29.1 standardsThis long life chain will work with standard sprockets on agricultural and industrial equipmentChain has no roller, dimension shown as roller diameter is bushing diameterPitch: 1/4 inch