This type of ring is used in shafts subjected to high torque in the Mining Industry
Drawing labels, details, and other text information extracted from the CAD file (Translated from Galician):
benennung, xxx, gepr., norm, bearb, goodbye, änderung, datum, name, oder, maßstab, xxx, datum, name, bl., blatt, section, section, prof., section, prof., no plane:, sheet no .:, cad file:, dpto.de technical support, project:, approved:, drawing:, calculate:, revised:, date:, steel comes out similar, benennung, xxx