Ball Bearing Hubs
Are you tired of your ground pieces not turning right? As your components start to get heavy, the simple bearing often used just presents too much friction to work. Many times the ground pieces must be pushed by hand to get them started since the drivers do not have enough thrust to get the pieces going by themselves. These hubs put an end to that.
These ball bearing hubs are precision machined in two sizes, 6" and 8" in diameter. They are ready to accept 2, 4, or 8 arms. A 1" spacer is also included to keep the hub spaced away from the support post. The ball bearing hubs are also available in other bolt hole patterns, no extra charge. ½" diameter mounting bolts are
