Gearbox pair L58 d7*12 - 9*12 attachments for a high-cutter brushcutter 9 splines

Angular pair of gears of the gearbox of the attachment of the pole cutter for the brush cutter, shaft connection on 9 splines, length of the gearbox pair 31 and 58 mm, bearings are seated on 7 and 12 mm, oval 12 (cut 9) mm, 16 teeth each