8 Inch Rubber Casters & Wheels

Ratings on this page run from 280 to 1,200 lbs per caster, and the typical rating is about 600 lbs. To size a set, add the cart weight to its heaviest load and divide by one less than the number of casters. Uneven floors often leave one caster carrying very little, so that margin keeps every caster inside its rating.

Solid rubber, Performa rubber and thermoplastic rubber treads cover most indoor carts and equipment. Mold-on rubber is bonded to a metal core for heavier equipment. Semi-pneumatic wheels add cushion over rough floors and cannot go flat. Pneumatic (air-filled) wheels give the softest ride outdoors and over gravel.

Durometer is tread hardness on the Shore A scale. Around 65 Shore A is soft: it cushions bumps and rolls quietly. Around 90 Shore A is firmer: it takes less effort to push under heavier loads and wears more slowly. Each listing shows its rating.

Most products on this page are rated from about -40°F to 180°F. A few high-temperature models are rated higher. Check the temperature range on each listing before ordering for cold storage or hot areas.

All the casters here mount with a top plate. To match an existing caster, filter by plate size and bolt hole spacing, then check the mount height so the equipment sits at the same level.

Choose swivel, rigid, swivel with brake or rigid with brake. A common cart setup is two swivel casters with brakes and two rigid casters: it tracks straight down an aisle and stays put when parked.