Up to 350 lbs
Up to 7,000 lbs
Up to 16,000 lbs
Up to 40,000 lbs
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Outdoor / rough terrain
View All Specialty Casters
Browse all specialty caster types
All measurements indicate the wheel diameter by the tread width.
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.
Plate dimensions shown are overall mounting plate size.
When replacing existing casters, select the closest plate size and verify bolt-hole compatibility.
BHP = Bolt Hole Pattern, shown under each plate.
Wheel = wheel diameter · capacity is per caster.
























Kingpinless casters in polyurethane, phenolic and cast iron, 3-1/2 to 13 in wheels, rated 600 to 8,200 lb per caster.
| Tread | Core | Wheel sizes | Rated per caster | Listed temperature | Where it fits |
|---|---|---|---|---|---|
| Polyurethane | Cast iron and Aluminum | 3-1/2 to 13 in | 600 to 6,000 lb | -5°F to 160°F | quiet, floor-friendly and long wearing |
| Phenolic | 4 to 12 in | 600 to 8,200 lb | Up to 250°F | hard and easy rolling on smooth, dry floors | |
| Cast iron | 4 to 12 in | 750 to 2,600 lb | -40°F to 320°F | heat, chips and heavy loads on rough floors | |
| Nylon | 3-1/2 to 10 in | 1,000 to 5,000 lb | -30°F to 220°F | low rolling effort on smooth floors, handles wet areas | |
| Rubber | Steel and Cast iron | 4 to 13 in | 600 to 7,500 lb | 0°F to 175°F | cushioned and quiet on finished floors |
| Forged steel | 4, 5, 6, 8 and 10 in | 1,000 to 6,000 lb | -22°F to 750°F | very high loads and impact | |
| Ductile iron | Steel | 4 to 12 in | 1,500 to 6,000 lb | -45°F to 800°F | heavy loads with better impact strength than cast iron |
Ratings are for single casters of kingpinless casters, from product fields [S1].
| Wheel | Treads | Rated |
|---|---|---|
| 3-1/2 x 2 in | polyurethane, nylon and steel | 550 to 1,000 lb |
| 4 x 2 in | polyurethane, cast iron and phenolic | 450 to 2,000 lb |
| 5 x 2 in | polyurethane, nylon and cast iron | 600 to 2,150 lb |
| 6 x 2 in | polyurethane, cast iron and nylon | 550 to 2,500 lb |
| 6 x 3 in | polyurethane, phenolic and cast iron | 1,800 to 6,000 lb |
| 8 x 2 in | polyurethane, cast iron and phenolic | 600 to 2,800 lb |
| 8 x 3 in | polyurethane, phenolic and cast iron | 1,760 to 7,200 lb |
| 10 x 3 in | polyurethane, phenolic and nylon | 2,200 to 8,200 lb |
Related: industrial casters, 2 in wide kingpinless casters and capacity to 15,600 lbs.
Single kingpinless casters are rated 600 to 8,200 lb; most fall between 1,000 and 3,200 lb.
Most kingpinless casters use 4 x 4-1/2 in. Others listed: 4-1/2 x 6-1/2 in and 2-1/2 x 3-5/8 in.
Polyurethane leads on kingpinless casters, rated 600 to 6,000 lb per caster. Phenolic is next at 600 to 8,200 lb.
Lead time on kingpinless casters depends on brand and model: Hamilton builds many of its models here to order, typically 4 to 6 weeks, and Hamilton models stocked for Pronto Ship go out faster.
Jordan Wilson, CasterHQ · reviewed October 20, 2026 · 844-439-4335 · info@casterhq.com
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