Skip 218.01. Start with AGMA 2101 / ISO 6336.
Many websites claiming to offer a free "agma 21801 pdf" are either providing outdated scanned copies (circa 1982) or are distributing copyrighted material illegally. AGMA standards are protected intellectual property. Using a counterfeit PDF can lead to non-conformance during ISO audits (ISO 9001 requires using current, traceable standards). agma 21801 pdf
If you need the official , here are the legitimate channels: Skip 218
By consulting the tables within AGMA 218.01, a manufacturer could look up a specific tolerance value based on the gear's diameter and the desired Quality Number. This transformed gear inspection from a subjective art into an objective, measurable science. agma 21801 pdf