The below capacity ranges indicate the working (dynamic) load that each caster will support. A safety factor should be included in your formula to determine your required load rating per caster.

W/(C-1)=R W is total weight needed to move. C is total number of casters required. R is ideal load rating, with safety factor built in. Divide the total load weight by one less caster than you will use to safely determine load rating.

3" x 1.25" Polyurethane Casters

Plate sizes: 2-1/2 x 3-5/8Bolt holes: 1-3/4 x 2-7/8Diameter: 3 inTread: 1-1/4 inCapacity: up to 260 lb

2-1/2 x 3-5/8 inch top-plate casters for warehouse carts on epoxy and smooth concrete. Expect wheel diameters 3 in and polyurethane and polyolefin treads. For dual-wheel or wide treads, check fork clearance and swivel radius in tight aisles. Size capacity from the heaviest corner load with shock margin, and keep overall height consistent across the set. These medium-duty options cover everyday warehouse carts on epoxy and smooth concrete without jumping to extreme forged series.

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3 types

Wheel = wheel diameter · capacity is per caster.

Light-Duty Institutional Plate Casters

Polyurethane-on-polyolefin (PU on PO) wheel casters designed for light-duty carts and mobile equipment where floor protection, quiet rolling, and non-marking performance are required in institutional and commercial environments.