Nylon CNC Machining for Stable Working Fits

Project focus: Does your nylon roller or bushing change fit between machining and use?

CAD model and 2D drawing revision: 
Mating-part details and the fit problem to solve: 
Material grade and accepted alternatives: 
Quantity and requested delivery date: 
Critical requirement: A bore tightens or grows after delivery: 
Critical requirement: A thin roller moves under clamping: 
Critical requirement: Filled nylon leaves rough edges: 
Inspection and functional validation scope: 

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