ASME B29.12M-1997 (R2023)

This Standard provides the following information for Steel Bushed Rollerless Chains, Attachments, and Sprocket Teeth: A series of block links having steel bushings to contact the sprocket teeth, alternating with links composed of sidebars and pins which articulate in the steel bushings of the block link. The main topics are (a) General Chain Proportions and Designations; (b) Chain and Attachment Dimensions; and (c) Sprocket Tooth Form. There are also Tables for (a) General Chain Dimensions, Minimum Ultimate Tensile Strength, Strand Length and Measuring Load; (b) Maximum and Minimum Controlling Dimensions for Interchangeable Chain Links; (c) Chain Clearance Dimensions; (d) A-1, A-2, A-22, K-1, K-2, K-3, K-35, K-44, & K-443 Attachments; (e) Sprockets - Maximum Eccentricity and Face Runout Tolerances; and (f) Sprocket Tooth Form Factors.