What to Consider When Choosing a RollerYour rollers must fit your system exactly for optimal performance. Some different aspects of each roller include:Size: Your products and conveyor system size correlate to the roller size. The standard diameter is between 7/8″ to 2-1/2″, and we have custom options available.Material: We have several options for roller materials, including galvanized steel, raw steel, stainless steel and PVC.  We can also add urethane sleeving and lagging.Bearing: Many bearing options are available, including ABEC precision bearings, Semi-precision bearings and Non-precision bearings, among other options.Strength: Each roller has a designated load weight specified in the product description. Choose from lightweight and heavy-duty rollers to match your load sizes.