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6" x 2" Mold-On Rubber Swivel Caster – 550 lb | 4" x 4-1/2" Top Plate | CasterHQ

Wheel
6" x 2"
Capacity
550 lbs
Overall Height
7-1/2"
Plate Size
4" x 4-1/2"
In Stock · Ships 1-2 Business Days
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  • Purchase orders accepted for approved accounts
  • Net 30 terms for qualified businesses
  • ACH, credit card, and tax-exempt ordering
  • Bulk and contract pricing on fleet quantities
Jordan W., Founder Bob C., Director of Sales
Not sure this is the right spec? Jordan (Founder) and Bob (45+ years in casters) review applications before you order.
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Product Overview
At a glance
Load capacity550 lbs
Wheel6" × 2" Rubber
MountPlate — 4" x 4-1/2"
TypeSwivel
Overall height7-1/2"
Temperature-40°F to 180°F

6" x 2" Swivel Caster | Mold-On Rubber Wheel | 550 lbs Capacity

This 6-inch heavy-duty swivel caster is designed for industrial mobility, durability, and performance. Built from 1/4" thick cold-rolled steel, the zinc-plated bracket provides exceptional rust and corrosion resistance, making it ideal for industrial, warehousing, hospitality, institutional, food service, and retail applications.

Equipped with a mold-on rubber wheel with a cast iron core, this caster ensures a smooth, quiet roll while providing shock absorption and impact resistance. The double ball raceway and 5/8” kingpin allow for seamless 360-degree rotation, while the roller bearing system enhances stability for heavy loads. A built-in grease zerk in the raceway and axle allows for easy maintenance and long-term durability.

With a 550 lbs load capacity, this caster is NSF-listed, RoHS-compliant, and compatible with matching total lock casters for added security.
Key Features
  • Durable Zinc-Plated Steel Bracket – Resists rust and corrosion for long-lasting durability.
  • Heavy-Duty Load Capacity – Supports up to 550 lbs per caster, perfect for industrial and commercial use.
  • Smooth & Shock-Absorbing RideMold-on rubber wheel with cast iron core absorbs impact and reduces noise.
  • 360° Swivel Raceway for Easy Maneuverability – Double ball raceway enhances turning precision.
  • Low-Maintenance DesignGrease fittings in raceway & axle ensure smooth performance and long lifespan.

Ordering & Shipping Information

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

Purchase orders — accepted from approved accounts
Net 30 terms — available on approved credit
ACH & all major cards — Visa, MC, Amex, Discover
Tax-exempt — submit your resale/exemption certificate

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.

Typical transit times after shipment

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.

Need an exact freight quote or blanket PO?

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.

Additional Information

Frequently Asked Questions (FAQ)

1. What applications are best suited for this caster?
This caster is ideal for carts, dollies, racks, trucks, and material handling equipment used in industrial, food service, hospitality, warehousing, and retail industries.

2. What makes mold-on rubber wheels better than polyurethane or steel?
Mold-on rubber wheels provide a cushioned ride, reduce vibration, and roll quietly, making them ideal for noise-sensitive environments.

3. Does this caster resist rust and corrosion?
Yes! The zinc-plated steel bracket protects against moisture, chemicals, and oxidation, ensuring long-lasting durability.

4. How much weight can this caster support?
Each caster has a 550 lbs load capacity, making it a medium to heavy-duty caster for demanding applications.

5. How does the double ball raceway improve maneuverability?
The double ball raceway enhances swivel movement, allowing for smoother turns and improved handling.

6. Is this caster NSF listed and RoHS compliant?
Yes! This caster meets NSF and RoHS compliance standards, making it safe for food processing and commercial use.

7. Does this caster require maintenance?
Minimal maintenance is required. The grease zerk fittings in the raceway and axle allow for easy lubrication, extending the lifespan.

8. Can I purchase a matching total lock caster?
Yes! Matching total lock casters are available to provide full mobility control when needed.

Frequently Asked Questions

What is the load capacity of this caster?+

This 6" x 2" Mold-On Rubber Swivel Caster – 550 lb is rated to 550 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.

What wheel does this caster use?+

This caster runs a Rubber wheel with a 2" tread width. Rubber absorbs shock and protects floors, and runs quietly, which suits noise-sensitive and light-to-medium duty use.

What plate size and bolt pattern does it use?+

This caster uses a top-plate mount with a 4" x 4-1/2" plate and a 2-5/8" x 3-5/8" 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.

Is this a swivel or rigid caster, and how does the brake work?+

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.

What temperature range can this caster handle?+

Rated for -40°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.).

What floors and applications is it best for?+

The Rubber wheel performs best on rough, uneven, or outdoor surfaces such as asphalt, gravel, and cracked concrete. For non-marking or clean-environment needs, ask us about matching tread options.

What is the overall mounted height?+

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.

How do I order, and what are the terms?+

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).

6
6" x 2" Mold-On Rubber Swivel Caster – 550 lb | 4" x 4-1/2" Top Plate | CasterHQ

$38.00

Technical Specifications

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 3-5/8" slotted to 3" x 3"
Mount Style Plate
Rig Type Swivel
Load & Performance
Wheel Capacity 550 lbs
Temp Range -40°F to 180°F
Brake Type No Brake
Materials & Finish
Wheel Material Rubber
Wheel Core Material Iron
Frame Material Zinc Plated Steel
Reference Dimensions
7-1/2" OVERALL HEIGHT 6" x 2" WHEEL DIA x W 4" x 4-1/2" PLATE
Overall Height7-1/2"
Wheel6" x 2"
Top Plate4" x 4-1/2"
Bolt Pattern2-5/8" x 3-5/8" slotted to 3" x 3"
Wheel MaterialRubber
Illustrative caster profile drawn to this item's proportions — dimensions are manufacturer specification values. Confirm against the technical table before ordering.
Will This Caster Handle Your Load?
Enter your loaded weight — we derate to 3 effective casters on a 4-caster rig, per industry practice for uneven floors.
Rated capacity: 550 lbs per caster. For dynamic loads, towing, or debris-strewn floors, apply additional safety factor · full engineering tools →
Fitment & Interchange
MountPlate
Plate Size4" x 4-1/2"
Bolt Pattern2-5/8" x 3-5/8" slotted to 3" x 3"
Rig TypeSwivel
BrakeNo Brake
Slotted holes — fits multiple bolt patterns, ideal for retrofits
Replacing an existing caster? Match the bolt pattern first, then wheel size · more 4" x 4-1/2" plate casters →

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