Resources
How to Calculate Caster Load Rating for Your Cart
Sizing casters by dividing the load by four is the most common spec mistake in material handling. Here is the three-wheel rule, a worked example, and the specs that have to match beyond capacity.
Scaffold Casters: Stem Size, Capacity & Brake Guide
Scaffold casters look interchangeable, but stem size, load rating and wheel choice decide whether they fit your tower and hold the load. Here's how to pick.