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.
Wheel = wheel diameter · capacity is per wheel.











| Tread | Core | Wheel sizes | Rated per wheel | Listed temperature | Where it fits |
|---|---|---|---|---|---|
| High-temp phenolic | Phenolic | 3 to 12 in | 200 to 2,600 lb | Up to 250°F | oven and hot-room carts |
Ratings are for single wheels of Durastar thi-temp phenolic wheels, from product fields [S1].
| Wheel | Treads | Rated |
|---|---|---|
| 3 x 1-1/4 in | high-temp phenolic | 200 lb |
| 4 x 1-1/4 in | high-temp phenolic | 250 lb |
| 4 x 2 in | high-temp phenolic | 600 lb |
| 5 x 1-1/4 in | high-temp phenolic | 300 lb |
| 5 x 2 in | high-temp phenolic | 750 lb |
| 6 x 2 in | high-temp phenolic | 900 lb |
| 6 x 3 in | high-temp phenolic | 1,700 lb |
| 8 x 2 in | high-temp phenolic | 1,100 lb |
Related to Durastar thi-temp phenolic wheels: caster wheels, 4 x 2 in phenolic wheels and 5 x 2 in phenolic wheels.
Single Durastar thi-temp phenolic wheels are rated 200 to 2,600 lb; most fall between 300 and 1,900 lb.
High-temp phenolic leads on Durastar thi-temp phenolic wheels, rated 200 to 2,600 lb per wheel.
Jordan Wilson, CasterHQ · reviewed October 20, 2026 · 844-439-4335 · info@casterhq.com
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