Up to 350 lbs
Up to 7,000 lbs
Up to 16,000 lbs
Up to 40,000 lbs
Shock absorbing
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.
The Durastar Medium Heavy Duty S30 Series caster is designed for demanding environments, providing superior mobility and performance. With a 6" x 2" DURATOUGH Polyurethane on Polyolefin wheel, this caster ensures exceptional durability and resistance to wear, making it ideal for heavy-duty applications that require long-lasting performance.
Featuring a 900 lb load capacity, the S30 Series caster is engineered to support substantial weight while offering smooth and effortless maneuverability. The swivel design allows for easy turns and excellent directional control, making it perfect for environments where flexibility and precision are required.
The 4" x 4-1/2" stainless steel top plate ensures maximum stability and strength, providing a reliable foundation for your mobility needs. Whether you're outfitting equipment in warehouses, factories, or other industrial settings, the Durastar S30 Series caster delivers top-notch performance with its robust materials and design.
Invest in the Durastar S30 Series caster today to enhance your equipment's mobility. With its premium construction and high load capacity, it guarantees improved efficiency and durability in the toughest environments.
Upgrade your equipment with the Durastar S30 Series caster. Designed for heavy-duty use, it offers the durability and performance you need to keep your operations moving smoothly. Shop now for a reliable mobility solution!
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 Durastar Medium Heavy Duty S30 Series caster is engineered to meet the toughest mobility demands. Featuring a durable 6" x 2" DURATOUGH Polyurethane on Polyolefin wheel, this swivel caster is designed for optimal performance in industrial, commercial, and heavy-duty environments. With a load capacity of 900 lbs, it is the ideal choice for equipment, carts, and machinery that require smooth maneuverability and maximum durability.
The Durastar Medium Heavy Duty S30 Series caster is a high-performance solution designed for environments that demand durability and efficiency. It features a robust 6" x 2" DURATOUGH Polyurethane on Polyolefin wheel that offers excellent wear resistance, making it ideal for heavy-duty tasks. Whether you're moving large machinery, industrial equipment, or storage solutions, this caster ensures a smooth and reliable movement across a variety of surfaces.
With a remarkable load capacity of 900 lbs, this caster is built to handle even the most demanding workloads, ensuring reliability and stability. The swivel design allows for seamless turns, making it easier to navigate tight spaces, while the stainless steel top plate provides added strength and resistance to corrosion, ensuring long-term reliability.
This caster is perfect for use in a wide range of applications, including industrial and commercial settings, where durability, ease of use, and a high load-bearing capacity are paramount. Its ergonomic design minimizes user strain, making it an excellent choice for workers who need to transport heavy items efficiently and safely.
The Durastar S30 Series caster is designed to excel in a variety of environments:
The S30 Series caster is not just about mobility—it's about ensuring that your operations run smoothly with reliable performance. With its superior material composition, the DURATOUGH Polyurethane on Polyolefin wheels are resistant to wear and tear, providing reliable performance even in high-impact environments.
Durastar is a trusted name in mobility solutions, and the S30 Series is no exception. Backed by a commitment to quality and durability, this caster is a long-term solution for those seeking improved operational efficiency and cost-effective performance.
Choose the Durastar S30 Series 6" x 2" Polyurethane Swivel Caster for a reliable, long-lasting mobility solution that will keep your equipment moving smoothly. Invest in high-quality casters today and experience the difference in performance and durability.
This 6" x 2" DURATOUGH Polyurethane Swivel Stainless Caster – 900 lb is rated to 900 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 Polyurethane wheel with a 2" tread width. Polyurethane protects finished floors, rolls quietly, and resists most chemicals while carrying heavy loads.
This caster uses a top-plate mount with a 4" x 4-1/2" plate and a 2-5/8" x 3-3/8" slotted to 3" x 3" bolt pattern. Measure your existing mounting holes before ordering; if you are replacing casters, match the bolt pattern - most standard patterns interchange across brands.
This is a Swivel caster. Swivel casters rotate 360 degrees for full maneuverability. For most mobile equipment we recommend 2 swivel + 2 rigid, or 4 swivel with at least 2 brakes.
Rated for -20°F to 180°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 Polyurethane wheel performs best on smooth to semi-smooth floors including sealed concrete, tile, and epoxy. For non-marking or clean-environment needs, ask us about matching tread options.
The overall height (floor to top of plate or stem) is 7-1/2". Account for it when checking equipment clearance, dock height, and ergonomic working height.
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).
$55.00
| Identification | |
| Brand | Durastar |
| Dimensions & Mounting | |
| Wheel Diameter | 6" |
| Wheel Tread Width | 2" |
| Overall Height | 7-1/2" |
| Plate Size | 4" x 4-1/2" |
| Bolt Hole Pattern | 2-5/8" x 3-3/8" slotted to 3" x 3" |
| Mount Style | Plate |
| Rig Type | Swivel |
| Load & Performance | |
| Wheel Capacity | 900 lbs |
| Temp Range | -20°F to 180°F |
| Brake Type | No Brake |
| Materials & Finish | |
| Wheel Material | Polyurethane |
| Wheel Core Material | Polyolefin |
| Frame Material | Zinc Plated Steel |
6" x 2" Polyurethane Rigid Caster 4" x 4-1/2" Plate – 900 lb | CasterHQ
6" x 2" · 900 lbs · Direct fit
$23
6" x 2" Blue Polyurethane Spring Loaded Caster – 1000 lb | CasterHQ
6" x 2" · 1000 lbs
$182
6" x 2" Gray Iron Spring Loaded Caster – 700 lb | CasterHQ
6" x 2" · 700 lbs
$151
View all 6′ x 2′ casters & wheels →
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 | |
|---|---|---|---|---|---|---|
| 600 lbsLighter duty | 6" × 2"Gray Rubber | Rigid | 7-1/2" | $31.00 | View → | |
| 700 lbsLighter duty | 6" × 2"Cast Iron | — | — | $151.00 | View → | |
| 900 lbs | 6" × 2"Polyurethane | Swivel | 7-1/2" | $55.00 | Viewing | |
| 900 lbsSame capacity | 6" × 2"Polyurethane | Rigid | 7-1/2" | $23.00 | View → | |
| 1000 lbsHeavier duty | 6" × 2"Blue Solid Polyurethane | — | — | $182.00 | View → |





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