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Semi-pneumatic (Rubber on Plastic Core) - 350

Diameter: 2-1/8 to 10 inTread: 1-1/4, 2-1/2 and 2-3/4 inCapacity: 450 to 650 lb per wheel
Semi-pneumatic (rubber on plastic core) wheels in rubber, pneumatic, polyurethane and ball. Rubber on polyolefin cores is the most common tread on these semi-pneumatic (rubber on plastic core) wheels, rated 450 to 650 lb per wheel in 5, 8 and 10 in. Complete casters are listed too, rated 350 lb each. Brands: B&P.

Semi-pneumatic (rubber on plastic core) wheels by tread

Tread Core Wheel sizes Rated per wheel Listed temperature Where it fits
Rubber Polyolefin 5, 8 and 10 in 450 to 650 lb cushioned and quiet on finished floors
Pneumatic 10 in Not listed rough ground, outdoors, fragile loads
Polyurethane Polyolefin 5 in Not listed quiet, floor-friendly and long wearing
Ball 2-1/8 in Not listed multi-direction rolling

Ratings are for single wheels of semi-pneumatic (rubber on plastic core) wheels, from product fields [S1].

Wheel sizes

Wheel Treads Rated
5 x 1-1/4 in polyurethane and rubber 350 lb
8 x 2-1/2 in rubber 450 lb
10 x 2-3/4 in rubber 650 lb

Choosing semi-pneumatic (rubber on plastic core) wheels

  1. Load: plan on three wheels carrying a four-wheel cart [S2]; semi-pneumatic (rubber on plastic core) wheels rated 650 lb each then carry about 1,950 lb.
  2. Floor: on semi-pneumatic (rubber on plastic core) wheels, rubber, pneumatic and polyurethane protect finished floors and run quietly; check the rating if the cart also crosses rough concrete.
  3. Rig: swivel semi-pneumatic (rubber on plastic core) wheels are listed.

Semi-pneumatic (rubber on plastic core) wheels questions

How much weight can semi-pneumatic (rubber on plastic core) wheels carry?

Single semi-pneumatic (rubber on plastic core) wheels are rated 450 to 650 lb.

What wheel material is most common on semi-pneumatic (rubber on plastic core) wheels?

Rubber leads on semi-pneumatic (rubber on plastic core) wheels, rated 450 to 650 lb per wheel.

Are complete casters listed with semi-pneumatic (rubber on plastic core) wheels?

Yes. Complete casters are on this page too, rated 350 lb each; compare the wheel size and bore with your semi-pneumatic (rubber on plastic core) wheels before ordering.

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.

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