Final Drive Ball Bearing 2966220 For Caterpillar 296-6220 315C 315D 318D 318D2 320D 240mm/100mm ID, 310mm/180mm OD. Caterpillar (Cat): 296-6220, 2966220, 168-8451, 1688451,SF4852PX1. High accuracy and good performance can provide you with more convenience.