1. Roller Conveyors - Box Width - The box width on roller conveyors should never exceed the width of
the rollers and should preferably be at least two inches narrower than the between rail width.
2. Roller Centers - Rollers may be placed in a frame at various centers specified in the general catalog.
However, there should always be at least three rollers under a box.
Boxes will not tumble when three rollers are under the box at all times.
Less than three rollers...boxes tumble.
Determine the roller centers needed by measuring the
smallest box