The motor, gearhead, and encoder have a 16 mm diameter (about 5/8 inches) and a combined length of 57.65 mm (2.27 inches) not counting the 8 mm long shaft . The right angle drive assembly width is 30 mm x 31.86 mm (1.183 inches x 1.26 inches) and the length is 16.5 mm (0.65 inch).
The total length is about 77 mm . The total mass is approximately 57 grams (1.96 ounces)