Quantity   Component name
1 × snow mobile bearing https://www.amazon.com/Snowmobile-Bearing-6004-2RS-20x42x12-Bearings/dp/B002BBGPCS/ref=sr_1_1?ie=UTF8&qid=1523394300&sr=8-1&keywords=bearing+snowmobile&dpID=51A0hnC8SRL&preST=_SX342_QL70_&dpSrc=srch
1 × MG995 servo motor (metal gear train)
4 × bearings 6x19x6 mm
1 × 12 volt dc gear motor Jameco 253518
1 × 2 inch wide 48 inch long belt polybelt.com 480L200 polybelt.com 480L200