but we can get many uncommon sizes; ask if you do not see what you are looking for.There are three common methods to determine the O-ring size you need. Method One: Cut Length (Measuring of Prewelded/Endless Polyurethane) Analyze the color of the cut O-ring (this helps determine O-ring durometer) Method Two: Application Measurement (Measuring of Conveyor Line Shaft) Measure from the roller
