Up to 350 lbs
Up to 7,000 lbs
Up to 16,000 lbs
Up to 40,000 lbs
Shock absorbing
Outdoor / rough terrain
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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.
Custom made to order. All sales final.
Each Hamilton product is custom manufactured for your order (lead time is shown on each product page). Please confirm all specs before checkout, since made-to-order items aren't eligible for returns, exchanges or refunds. Need help? Call 844-439-4335 or email info@casterhq.com and we'll verify fit for you.
Rubber and polyurethane favor floor protection; phenolic and steel favor heavy capacity. Compare materials →
























Hamilton Inferno heavy casters in cast iron, nylon and steel, 4 to 8 in wheels, rated 400 to 2,400 lb per caster.
| Tread | Core | Wheel sizes | Rated per caster | Listed temperature | Where it fits |
|---|---|---|---|---|---|
| Cast iron | 4, 5, 6 and 8 in | 400 to 2,400 lb | Up to 750°F | heat, chips and heavy loads on rough floors | |
| Nylon | 4, 5, 6 and 8 in | 800 to 1,400 lb | Up to 550°F | low rolling effort on smooth floors, handles wet areas | |
| Steel | Stainless steel | 4, 5, 6 and 8 in | 560 to 1,600 lb | -22°F to 750°F | heavy loads and track |
| Polyurethane | Stainless steel | 4, 5, 6 and 8 in | 595 to 960 lb | -40°F to 180°F | quiet, floor-friendly and long wearing |
| Forged steel | 4 in | 800 lb | -22°F to 750°F | very high loads and impact |
Ratings are for single casters of Hamilton Inferno heavy casters, from product fields [S1].
| Wheel | Treads | Rated |
|---|---|---|
| 4 x 2 in | cast iron, nylon and steel | 400 to 1,600 lb |
| 5 x 2 in | polyurethane, nylon and cast iron | 800 to 960 lb |
| 6 x 2 in | cast iron, nylon and steel | 560 to 2,200 lb |
| 6 x 3 in | cast iron | 2,000 lb |
| 8 x 2 in | cast iron, nylon and polyurethane | 600 to 2,400 lb |
| 8 x 3 in | cast iron | 2,080 lb |
Related to Hamilton Inferno heavy casters: industrial casters and high heat stainless steel wheels.
Single Hamilton Inferno heavy casters are rated 400 to 2,400 lb; most fall between 800 and 1,000 lb.
Most Hamilton Inferno heavy casters use 4 x 4-1/2 in. Other plates on Hamilton Inferno heavy casters: 4 x 5 in and 4-1/2 x 6-1/2 in.
Cast iron leads on Hamilton Inferno heavy casters, rated 400 to 2,400 lb per caster. Among Hamilton Inferno heavy casters, nylon is next at 800 to 1,400 lb.
Jordan Wilson, CasterHQ · reviewed October 20, 2026 · 844-439-4335 · info@casterhq.com
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