Agma 21801 Pdf -
AGMA 218.01 PDF
Searching for usually means you are looking for the historical "AGMA Standard for Rating the Pitting Resistance and Bending Strength of Spur and Helical Involute Gear Teeth."
(Rating the Pitting Resistance and Bending Strength of Generated Straight Bevel, Zerol Bevel and Spiral Bevel Gear Teeth). Where to Find the Text/PDF agma 21801 pdf
Pitting Resistance:
Evaluating how well gear tooth surfaces resist "pitting" or surface fatigue over time. AGMA 218