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The Z20P2431NGD is the industry-standard, OEM-style high-temperature oven rack caster commonly supplied on commercial bakery racks and oven racks from original equipment manufacturers. This model is designed as a direct replacement where dimensional accuracy, heat resistance, and food safety are required.
It features the most common oven rack mounting plate size: 3-1/8" × 4-1/8", allowing direct replacement without drilling or modification. This is the plate size used on the majority of commercial bakery and oven racks in the field.
The wheel is manufactured from a food-safe, high-temperature epoxy resin compound suitable for use around consumable goods. It is designed to withstand elevated temperatures, steam, oils, and repeated wash-down cycles without degrading or contaminating food-contact environments.
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This caster matches the original configuration used by many commercial rack manufacturers. It is commonly installed on:
Important: This caster uses the 3-1/8" × 4-1/8" mounting plate. If your rack uses the larger 4" × 4-1/2" plate, this model will not fit.
👉 View the 4" × 4-1/2" plate version here
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Most bakery and oven racks use the 3-1/8" × 4-1/8" plate, but some manufacturers use a larger 4" × 4-1/2" pattern. Always measure your existing caster plate before ordering to ensure proper fit.
The wheel compound is designed for use around consumable goods. Its non-porous, high-temperature material resists absorption of oils, moisture, and food byproducts, making it suitable for regulated food environments.
This caster design is covered under U.S. Patent 3,052,650, reflecting the original engineered configuration used in commercial oven rack applications.
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Yes. This caster matches the OEM-correct specifications and dimensions associated with the Z20P2431NGD part commonly used on bakery and oven racks.
Yes. The wheel material is food-safe and designed for use around consumable goods in high-temperature environments.
This caster is rated for continuous operation up to 475°F.
If your rack uses a 4" × 4-1/2" plate, you will need the larger-plate version. A link to that model is provided above.
Order processing
In stock. Orders placed before 12pm CT (Mon–Fri) typically ship the same or next business day from our Mansfield, TX warehouse.
Shipping method
Smaller orders ship parcel (UPS/FedEx Ground). Heavy or bulk quantities consolidate to LTL freight. The method and final cost are shown before payment, so there are no post-checkout adjustments.
Payment & procurement terms
New to CasterHQ? Open an account or request terms and send your resale or tax-exemption certificate before ordering so it is applied at checkout.
Volume pricing & quotes
Quantity discounts apply automatically — no codes needed. For large, recurring, or custom requirements, request a bulk quote and our team will confirm pricing, lead time, and total landed freight upfront.
Returns & warranty
Stock items carry a 30-day return policy in unused, resalable condition. Made-to-order and custom items are non-returnable once production starts. All products carry the manufacturer's warranty against defects.
Central & Southern U.S.: typically 1–2 business days
East & West Coasts: typically 2–3 business days
Remote areas and freight deliveries may take longer.
For pallet freight, scheduled releases, or blanket purchase orders, contact our team and we'll confirm total landed cost before you commit. Direct line: 844-439-4335.
The Z20P2431NGD Caster is engineered for superior performance in demanding environments, featuring a robust 4-inch green epoxy resin wheel that withstands temperatures up to 280°F. This caster is specifically designed to provide reliable, smooth mobility under high-temperature conditions, making it an ideal choice for a variety of industrial applications including ovens and bakeries.
Its zinc-plated steel yoke with a protective lacquer dip finish ensures enhanced durability and corrosion resistance, safeguarding the caster against environmental factors in harsh settings. The 5/16″ Quad X Precision Bearings deliver exceptional maneuverability and load-bearing capabilities, supporting up to medium-duty applications efficiently.
This caster is particularly suitable for bakery equipment, oven racks, and other machinery used in high-heat environments. Its high temperature tolerance and durability also make it an excellent choice for manufacturing facilities requiring reliable transport solutions.
Upgrade to the Z20P2431NGD Caster for unmatched durability and performance. Shop now and ensure your equipment is equipped to handle any challenge with ease.
This Z20P2431NGD 4" x 1.5" Epoxy Resin Oven Rack Caster – 3-1/8" x 4-1/8" is rated to 300 lbs per caster. Size a set by dividing the total load by the number of casters, and for uneven floors assume 3 of 4 casters carry the load. Keep continuous-use loads within about 75-80% of the rating.
This caster runs a Nylon wheel with a 1-1/2" tread width. Nylon resists chemicals and moisture and carries high loads, which suits washdown and wet environments.
This caster uses a top-plate mount. Measure your existing mounting holes before ordering; if you are replacing casters, match the bolt pattern - most standard patterns interchange across brands.
Rated for Up to 475°F. Operating outside the rated range can reduce wheel life and load capacity, so match it to your environment (wash-down, freezer, oven-adjacent, etc.).
The Nylon wheel performs best on smooth, hard industrial floors. For non-marking or clean-environment needs, ask us about matching tread options.
We accept purchase orders and offer Net 30 on approved accounts, ACH, and all major cards, plus tax-exempt ordering with a resale or exemption certificate. Volume discounts apply automatically; request a bulk quote for large or recurring orders. Stock items carry a 30-day return policy in unused condition (made-to-order items are non-returnable once production starts).
$30.00
| Dimensions & Mounting | |
| Wheel Diameter | 4" |
| Wheel Tread Width | 1-1/2" |
| Mount Style | Plate |
| Load & Performance | |
| Wheel Capacity | 300 lbs |
| Temp Range | Up to 475°F |
| Materials & Finish | |
| Wheel Material | Nylon |
| Frame Material | Zinc Plated Steel |
4" x 1.5" High-Temp Swivel Caster – 300 lb | 4" x 4-1/2" Plate | CasterHQ
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Hamilton S-HL-4EO 4" x 1 1/2" Ebonite Swivel Caster – 300 lb | CasterHQ
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View all 4′ x 1-1/2′ casters →
Your selection is highlighted. Every option shares its wheel size and mount; a Direct fit tag means the same mounting plate — a drop-in replacement. Step up or down in load rating, all in-stock.
| Casters (in stock) | Load capacity | Wheel | Type | Overall height | Price | |
|---|---|---|---|---|---|---|
| 200 lbsLighter duty | 4" × 1-1/2"Rubber | Swivel | 5" | $96.00 | View → | |
| 200 lbsLighter duty | 4" × 1-1/2" | — | — | $47.00 | View → | |
| 300 lbs | 4" × 1-1/2"Nylon | — | — | $30.00 | Viewing | |
| 300 lbsSame capacity | 4" × 1-1/2" | — | 5-1/8" | $41.00 | View → | |
| 300 lbsSame capacity | 4" × 1-1/2"Rubber | Swivel | — | $55.00 | View → |
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