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 1-1/4" Semi-Steel Casters

Plate sizes: 2-3/8 x 3-5/8Bolt holes: 1-3/4 x 2-7/8Diameter: 3 inTread: 1-1/4 inCapacity: up to 350 lb

Casters on the 2-3/8 x 3-5/8 plate pattern suit light institutional and furniture-grade frames. Catalog chips cover wheel diameters 3 in, cast iron and steel treads, and capacities 350 lb. Size capacity from the heaviest corner load with shock margin, and keep overall height consistent across the set. Confirm stem length and thread pitch on stem mounts so the shoulder seats flush in the boss.

3-Inch Total Locking Plate Casters with Steel Wheels

Shop 3" (Three Inch) Total Lock Casters with Semi-Steel Wheels. These Total Locking Plate Casters come with double ball raceways for increased strength and maneuverability, cold-rolled heavy-duty gauge steel frame, and plated with a zinc finish for increased resistance to rust and corrosion. This is a high-quality caster made to last. The Top Plate we offer on this is an industry-standard 2-3/8" x 3-5/8" overall size. The Wheels are Gray Iron, also known as Semi-Steel wheels. They will not leave streaks but should only be used on clean, smooth concrete floors to prevent possible damage to other floors. The temperature range of Semi-Steel Wheels ranges from 600°F to -45°F and has a maximum weight capacity of 350 lbs per wheel when used in this total locking caster fork, depending on the size ordered. Steel wheels will not flat spot like softer wheels tend to do when sitting under heavy loads for long periods of time. The wheels have a solid one-piece design. These wheels are reliable, affordable, and fantastic, combined with this total locking swivel bracket, giving you a tremendous quality total locking caster meant for various applications and industries.

Top Plate Size: 2-3/8" x 3-5/8" Overall Size

3" X 1.25" Thermo Plastic Rubber Caster Set of 4 - 2 Swivel & 2 Rigid Casters - 900 lbs Capacity Per Set

BHP: 1-3/4″ × 2-7/8″, slotted to 3″

BHP: 1-3/4″ × 2-15/16″ slotted to 2-3/8″ × 3-3/8″

BHP: 2-5/8” X 3-5/8” (Slotted to 3” x 3”)

BHP: 2-7/16" x 4-15/16" slotted to 3-3/8" x 5-1/4"

(3″ Wide Casters), Industry-Standard

BHP: 3-3/8" x 5-1/4" slotted to 4-1/8" x 6-1/8"

BHP: 4-1/8" x 6" slotted to 4-1/2" x 6-1/8"

View All • 21 Plate Sizes

Plate Casters

Stem Casters

Stainless Casters

Ergonomic Casters

Leveling Casters

3" x 1-1/4" Semi-Steel Casters

3-Inch Total Locking Plate Casters with Steel Wheels