Bearing Holder for 15mm OD 8mm ID 5mm Wide Bearing to improve a Harbor Freight Rock Tumbler

cults3d

I crafted a simple bearing holder to modify my Harbor Freight rock tumbler. It's designed to replace the tiny plastic guide that contacts the barrel, preventing it from rubbing against the frame, which is wearing down rapidly after just one week. The holder mounts to the frame using 3mm bolts drilled into place. An inner bushing is fitted into the center of the bearing and secured with a 3mm x 15mm nut and bolt. Mounting slots on the holder accept 3mm bolts for secure attachment.