Back to Casters

Polyurethane Total Lock Brake Casters

Diameter: 3 to 8 inTread: 1-1/4 and 2 inPlate: 4 x 4-1/2 in (most)Capacity: 250 to 1,250 lb per caster
This page lists polyurethane total lock brake casters. Polyurethane on polyolefin and cast iron cores is the most common tread on these polyurethane total lock brake casters, rated 250 to 1,250 lb per caster in 3, 3-1/2, 4, 5, 6 and 8 in. Sets of 4 polyurethane total lock brake casters list 1,000 to 5,000 lb combined. Brands: Colson and Albion.

Polyurethane total lock brake casters by tread

Tread Core Wheel sizes Rated per caster Listed temperature Where it fits
Polyurethane Polyolefin and Cast iron 3 to 8 in 250 to 1,250 lb -45°F to 180°F quiet, floor-friendly and long wearing

Ratings are for single casters of polyurethane total lock brake casters, from product fields [S1].

Wheel sizes

Wheel Treads Rated
3 x 1-1/4 in polyurethane 300 lb
3-1/2 x 1-1/4 in polyurethane 250 to 300 lb
4 x 1-1/4 in polyurethane 250 to 350 lb
4 x 2 in polyurethane 600 to 1,250 lb
5 x 1-1/4 in polyurethane 300 to 350 lb
5 x 2 in polyurethane 750 to 1,250 lb
6 x 2 in polyurethane 700 to 1,250 lb
8 x 2 in polyurethane 800 to 1,250 lb

Choosing polyurethane total lock brake casters

  1. Load: divide the loaded weight by three for a four-caster cart [S2]. Among polyurethane total lock brake casters, a 1,000 lb caster then suits about 3,000 lb, and the strongest at 1,250 lb about 3,750 lb.
  2. Mount: most polyurethane total lock brake casters use a 4 x 4-1/2 in top plate; 2-3/8 x 3-5/8 in and 2-1/2 x 3-5/8 in plates are listed too; match the bolt holes on your frame to the plate before ordering.
  3. Floor: on polyurethane total lock brake casters, polyurethane protects finished floors and runs quietly; check the rating if the cart also crosses rough concrete.
  4. Rig: swivel and rigid polyurethane total lock brake casters are listed, with total lock brake options.

Polyurethane total lock brake casters questions

How much weight can polyurethane total lock brake casters carry?

Single polyurethane total lock brake casters are rated 250 to 1,250 lb; most fall between 300 and 1,000 lb.

What top plate do polyurethane total lock brake casters use?

Most polyurethane total lock brake casters use 4 x 4-1/2 in. Other plates on polyurethane total lock brake casters: 2-3/8 x 3-5/8 in and 2-1/2 x 3-5/8 in.

What wheel material is most common on polyurethane total lock brake casters?

Polyurethane leads on polyurethane total lock brake casters, rated 250 to 1,250 lb per caster.

Sources

  • [S1] CasterHQ product fields (rated load, diameter, width, wheel and core material, temperature range, mount) and product descriptions for the items on this page, pulled October 20, 2026.
  • [S2] Preferred Equipment casters and wheels quick guide PDF (prefeq.com): load sizing on one less caster, wheel types and floor notes.

Search