Resources

How to Calculate Caster Load Rating for Your Cart

Series 40 heavy duty phenolic swivel caster with steel top plate
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

6 inch x 2 inch rubber scaffold caster, 500 lb capacity, 1-3/8 inch round stem with total-locking brake
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.

Rigid vs Swivel vs Locking Casters: How to Build the Right Set

6 inch rubber scaffold caster wheel with locking brake and 1-3/8 inch stem
Rigid, swivel, and locking-brake casters each do a different job. Here's how to combine them on a 4-caster set and size load capacity for carts, racks, and scaffold towers.