Quote:
Originally Posted by eagle33199
The tightness of the bolt determines how free the roller is to rotate. I wouldn't really be worried about dirt getting in the way here.
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For a roller design such as you have described: When there is torque on a mecanum wheel, the roller slides axially through any free play until it butts up against the plate, possibly with great force. Here it encounters friction. If there is fine gritty dust or dirt in there, it can affect performance. Stay away from dirt.