I would use a massive ball bearing and thrust plate. Would be relatively easy to do, centre the ball to sit on the bottom of the shaft and sit it on a block of ptfe. Would give you minimal resistance and that new bearing you have ought to keep it all in line when you kick it
I would use a massive ball bearing and thrust plate. Would be relatively easy to do, centre the ball to sit on the bottom of the shaft and sit it on a block of ptfe. Would give you minimal resistance and that new bearing you have ought to keep it all in line when you kick it