This is a robot drive wheel we had made specifically for us. It does not have a bearing. It is 6 inches in diameter and 2 inches wide. It's a solid foam core with rubber treads and outer layer. The steel rim is painted black with a 4 bolt pattern so you can easily mount it to a flanged hub.
Slightly Used Solid-State ToF Infrared LiDAR CE30-A with custom aluminum mounting bracket and cables.
900 MHz Rubber Duck Antenna - Male Type F