Resources
Polyurethane vs Phenolic vs Steel vs Rubber Caster Wheels
Which caster wheel material should you choose? We compare polyurethane, phenolic, steel and rubber wheels on Series 40 heavy-duty casters by load capacity, floor protection, rolling effort and environment.
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.