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The 4" x 1.25" Polyolefin Delrin Bearing Side-Lock Caster with 1/2" Hollow Rivet (2.04250.53 BRK1) delivers exceptional performance for lightweight to medium-duty applications. Its polyolefin wheel construction provides excellent resistance to wear and impact, making it ideal for a variety of surfaces. The integrated Delrin bearings ensure smooth and reliable movement, while the side-lock brake enhances stability and control during use. This caster’s durable design and easy installation make it a practical choice for carts, dollies, and other equipment that require quiet and efficient operation.
Each 4" x 1.25" Polyolefin Delrin Bearing Side-Lock Caster with 1/2" Hollow Rivet (2.04250.53 BRK1) is engineered to meet strict quality standards, ensuring reliable and long-lasting performance. Designed with user satisfaction in mind, this caster is rigorously tested for durability and functionality. Whether you’re equipping your business or upgrading existing equipment, this caster provides dependable results at an excellent value. Backed by our satisfaction guarantee, you can trust it to meet your needs with confidence.
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 4" x 1.25" Polyolefin Delrin Bearing Side-Lock Caster is engineered for performance, durability, and ease of use. Designed with high-quality polyolefin material, this caster offers excellent resistance to wear, impact, and environmental stress, making it ideal for lightweight to medium-duty applications. Its Delrin precision bearings ensure smooth and quiet operation, while the integrated side-lock brake enhances stability and control.
This caster is perfect for use in carts, dollies, and other light industrial equipment. Its compact design and durable construction make it an excellent choice for environments requiring efficient mobility and stability. Whether in manufacturing, warehouses, or service industries, this caster delivers reliable performance and minimal maintenance.
The polyolefin wheel is designed for durability, withstanding heavy use on various surfaces. Its round tread profile ensures smooth movement, while the Delrin bearings provide consistent performance. With a zinc-plated finish, this caster resists corrosion, making it suitable for use in demanding environments with exposure to moisture or chemicals.
The 4" x 1.25" caster features a 1/2" hollow rivet and a 3/8" hollow axle with a lock nut, ensuring secure and straightforward installation. Its lightweight and compact design make it easy to integrate into existing equipment or new projects.
Each 4" x 1.25" Polyolefin Delrin Bearing Side-Lock Caster is built to meet strict quality standards and undergoes rigorous testing to ensure long-term performance. Backed by a 3-year warranty, you can trust this caster to deliver reliable results and exceptional value. Our commitment to quality and customer satisfaction ensures you are getting a product you can rely on.
This Colson 2.04250.53 BRK1 4" x 1.25" Polyolefin Side Lock Caster is rated to 275 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 Polyolefin wheel with a 1-1/4" tread width. Polyurethane protects finished floors, rolls quietly, and resists most chemicals while carrying heavy loads.
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.
This is a Swivel with Brake caster with a wheel brake. Swivel casters rotate 360 degrees for full maneuverability. The brake locks the wheel to hold the load in place. 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 Polyolefin 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 5". 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).
$44.00
| Identification | |
| Brand | colson header1 |
| Dimensions & Mounting | |
| Wheel Diameter | 4" |
| Wheel Tread Width | 1-1/4" |
| Overall Height | 5" |
| Mount Style | Plate |
| Rig Type | Swivel with Brake |
| Load & Performance | |
| Wheel Capacity | 275 lbs |
| Temp Range | -20°F to 180°F |
| Brake Type | Side Lock Brake |
| Materials & Finish | |
| Wheel Material | Polyolefin |
| Frame Material | Zinc Plated Steel |
4" x 1.25" Polyurethane Swivel Caster – 325 lb | 2.5" x 3.625" Top Plate | CasterHQ
4" x 1-1/4" · 260 lbs
$14
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 | |
|---|---|---|---|---|---|---|
| 250 lbsLighter duty | 4" × 1-1/4"Gray Rubber | Swivel with Total Lock Brake + brake | — | $24.00 | View → | |
| 260 lbsLighter duty | 4" × 1-1/4"Polyurethane | Swivel | 4-1/8" | $14.00 | View → | |
| 275 lbs | 4" × 1-1/4"Polyolefin | Swivel with Brake + brake | 5" | $44.00 | Viewing | |
| 300 lbsHeavier duty | 4" × 1-1/4"Polyurethane | Swivel | 5-1/8" | $19.00 | View → | |
| 300 lbsHeavier duty | 4" × 1-1/4"Polyurethane | Swivel | 5-1/8" | $19.00 | View → |
