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The 4" x 2" Stainless Phenolic Roller Bearing Side-Lock Caster with 4" x 4.5" Plate (D4.04109.339 BRK7 SS WB29) is engineered to deliver superior performance in challenging environments. Constructed with stainless steel and phenolic roller bearings, it offers smooth and efficient movement even under heavy loads. The side-lock mechanism ensures that the caster remains securely in place, making it an excellent choice for equipment and machinery requiring reliable and stationary positioning. The 4" x 4.5" mounting plate makes installation straightforward, while the corrosion-resistant design ensures long-lasting durability, even in industrial settings prone to moisture and corrosive substances.
We stand behind the quality and reliability of our 4" x 2" Stainless Phenolic Roller Bearing Side-Lock Caster with 4" x 4.5" Plate (D4.04109.339 BRK7 SS WB29). This product undergoes rigorous quality checks to ensure it meets the highest standards of performance, durability, and safety. Whether used in commercial or industrial settings, you can count on this caster to provide smooth, long-lasting movement and dependable stability. Our commitment to customer satisfaction is reflected in the reliability of our products, and we offer ongoing support to assist you with any questions or concerns.
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 2" Stainless Phenolic Roller Bearing Side-Lock Caster (Model: D4.04109.339 BRK7 SS WB29) is engineered for superior performance in industrial and commercial settings. Combining strength, durability, and corrosion resistance, this caster is the perfect solution for heavy-duty applications that require secure positioning and reliable mobility. With a top-lock brake mechanism and high-quality stainless steel construction, this caster ensures long-lasting reliability, smooth movement, and high load capacity.
Constructed from durable stainless steel and equipped with phenolic roller bearings, this caster is built to withstand the toughest environments. The full double ball hardened raceways enhance the performance and lifespan of the caster by minimizing wear and reducing friction during use. Additionally, the caster is fitted with food-grade performance grease, capable of withstanding temperatures from -40°F to 600°F (FDA approved), making it suitable for a wide range of applications, from industrial machinery to food-processing environments.
One of the standout features of this caster is the top-lock brake (DTBRK7), which ensures that the caster remains securely in place when stationary. This is particularly useful in environments where equipment stability is crucial, such as warehouses, factories, and heavy-duty commercial spaces. The brake is easy to engage and release, providing the user with quick and efficient control over the caster’s positioning.
With a load capacity of 800 lbs, this caster is ideal for heavy-duty applications. Whether you need it for carts, trolleys, or industrial machinery, it can easily handle the demands of your workspace. The caster’s compact 4" x 4-1/2" top plate and flexible bolt hole pattern (2-5/8" to 3" x 3" to 3-5/8") ensure easy installation and compatibility with a variety of mounting setups, making it a versatile choice for a wide range of industrial equipment.
The caster is finished in stainless steel, offering excellent corrosion resistance and making it suitable for use in harsh environments. Whether exposed to moisture, chemicals, or extreme conditions, this caster will maintain its structural integrity and functionality over time. Its resistance to rust and corrosion makes it ideal for use in food-processing plants, outdoor storage, and manufacturing facilities.
Equipped with roller bearings, this caster provides smooth, reliable movement even under heavy loads. The roller bearings minimize friction, allowing the caster to roll effortlessly across various surfaces, ensuring efficient and precise mobility for your equipment. Whether you're moving large machinery or heavy-duty carts, you can rely on this caster to deliver consistent performance.
Designed for easy installation, the caster features a top plate with a bolt hole pattern that provides flexibility for various mounting configurations. It can be easily secured with the recommended 3/8" bolts, allowing you to customize its fit for your specific needs. The compact 4" x 4-1/2" mounting plate ensures a stable, secure attachment to a wide range of equipment and machinery.
With a swivel radius of 4.94 inches, this caster offers excellent maneuverability, even in tight spaces. Whether you're navigating a crowded warehouse or moving heavy equipment in a factory, the caster's swivel feature allows for precise control and easy direction changes. This makes it ideal for use in environments where space is limited and maneuvering equipment is necessary.
For your peace of mind, the caster comes with a 3-year warranty, ensuring long-term reliability and performance. Additionally, it is RoHS compliant and features NSF conformity (excluding thread guards), making it suitable for use in environments where regulatory compliance is required. This warranty, along with its certification, reflects the quality and reliability that come with choosing this caster for your operations.
This Colson D4.04109.339 4" x 2" Phenolic Stainless Side Lock Caster is rated to 800 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 Phenolic wheel with a 2" tread width. Phenolic carries high loads on smooth, hard floors and tolerates heat, but transmits more shock than an elastomer tread.
This caster uses a top-plate mount with a 4" x 4-1/2" plate and a 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 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 -40°F to 600°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 Phenolic wheel performs best on smooth, hard industrial floors. For non-marking or clean-environment needs, ask us about matching tread options.
The overall height (floor to top of plate or stem) is 5-5/8". 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).
$196.00
| Identification | |
| Brand | colson header |
| Dimensions & Mounting | |
| Wheel Diameter | 4" |
| Wheel Tread Width | 2" |
| Overall Height | 5-5/8" |
| Plate Size | 4" x 4-1/2" |
| Bolt Hole Pattern | 3" x 3" |
| Mount Style | Plate |
| Rig Type | Swivel with Brake |
| Load & Performance | |
| Wheel Capacity | 800 lbs |
| Temp Range | -40°F to 600°F |
| Brake Type | Side Lock Brake |
| Materials & Finish | |
| Wheel Material | Phenolic |
| Frame Material | Stainless Steel |
4" x 2" Phenolic Swivel Caster 4-1/2" x 6-1/4" Plate – 800 lb | CasterHQ
4" x 2" · 800 lbs
$29
4" x 2" Phenolic Rigid Caster – 800 lb | 4" x 4-1/2" Top Plate | CasterHQ
4" x 2" · 800 lbs · Direct fit
$21
4" x 2" Phenolic Swivel Caster – 800 lb | 4" x 4-1/2" Top Plate | CasterHQ
4" x 2" · 800 lbs · Direct fit
$25
View all 4′ 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 | |
|---|---|---|---|---|---|---|
| 700 lbsLighter duty | 4" × 2"Polyurethane | — | 5-5/8" | $63.00 | View → | |
| 700 lbsLighter duty | 4" × 2"Cast Iron | Rigid | 5-5/8" | $48.00 | View → | |
| 800 lbs | 4" × 2"Phenolic | Swivel with Brake + brake | 5-5/8" | $196.00 | Viewing | |
 Direct fit4" x 2" Phenolic Rigid Caster – 800 lb |
800 lbsSame capacity | 4" × 2"Phenolic | Rigid | 5-5/8" | $21.00 | View → |
 Direct fit4" x 2" Phenolic Swivel Caster – 800 lb |
800 lbsSame capacity | 4" × 2"Phenolic | Swivel | 5-5/8" | $25.00 | View → |
