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200,000+ Orders Fulfilled for OEM & MRO Teams Nationwide
100+ Years of Combined Caster Industry Experience
Automatic Bulk Pricing | OEM & MRO Volume Discounts Applied at Checkout
Up to 350 lbs · Light Duty Applications
Up to 7,200 lbs · Industrial Duty
Up to 17,500 lbs · Heavy Industrial
Up to 40,000 lbs · Extreme Load Applications
Up to 40,000 lbs · Increased Maneuverability
Up to 3,100 lbs · Industrial Shock Absorbing
Up to 3,200 lbs - Corrosion Resistant
Stainless Steel
Up to 8,400 lbs.
Explore All Specialty Caster Applications
From Everyday Use to Niche Solutions
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.
Most in-stock items ship same or next business day. Shipping rates shown at checkout.
PRODUCT CODE: R-MS-8MB
The Hamilton R-MS-8MB represents the pinnacle of medium service casters, featuring an 8" x 2" metal wheel that is designed for heavy-duty applications. Its rugged construction ensures reliability and longevity under demanding conditions.
Equipped with a 1/2" sealed precision ball bearing, this caster offers smooth and controlled mobility. The precision engineering ensures that movement is effortless, even under substantial loads, making it perfect for industrial environments.
This caster is not only robust but also versatile. It's suitable for a range of applications, from manufacturing plants to warehouse floors, providing reliable performance where it's needed most.
Designed with user convenience in mind, the R-MS-8MB caster is easy to install, ensuring that your equipment is up and running with minimal downtime.
Choosing the Hamilton R-MS-8MB means selecting a caster that is built for durability and performance. Its heavy-duty capabilities make it an ideal choice for those who require a reliable mobility solution.
Wheel Diameter (in.): 8
Wheel Face (in.): 2
Wheel Type: Metal
Wheel Color/Finish: Crimson Red
Wheel Core Material: Cast Iron
Wheel Material @ Tread: Metal
Overall Height (in.): 9.5
Bearing Type: Precision Sealed Ball
Replacement Wheel: W-820-MB-1/2
Caster Rig Type: Weldment
Caster Color/Finish: Bright Zinc Plated
Swivel or Rigid caster: Rigid
Mounting Plate (in.): 5 x 5 1/2
Mounting Bolt (in.): 0.375
Bolt Hole 1 (in.): 4 x 4
Bolt Hole 2 (in.) (in.): 4 1/8 x 4 1/2
Mounting Plate Length (in.): 5.5
Mounting Plate Width (in.): 5
Shipping Weight (lbs.): 18
Load Capacity (lbs.) @ 3 mph: 1250
Note: For further information, contact our product support team.
Transparent pricing
All pricing and quantity discounts are applied automatically. No promo codes required and no post-checkout price changes.
Upfront shipping costs
Shipping is calculated by order size and weight. Final shipping costs are shown before payment so there are no surprises.
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We support bulk orders, repeat purchases, and fast quotes for larger or custom requirements.
Real support from product specialists
Need help confirming fit, compatibility, or application? Our team works directly with engineers, maintenance teams, and buyers every day.
Trusted by industrial and commercial customers
CasterHQ supplies casters and wheels for manufacturing, material handling, retail, and distribution environments nationwide.
When will my order ship?
In-stock items typically ship same or next business day. Weekend orders ship Monday or Tuesday unless stated otherwise.
Will shipping cost more at checkout?
Shipping is not free on most orders. Your final shipping cost is shown before payment.
Central & Southern U.S.: typically 1–2 business days
East & West Coasts: typically 2–3 business days
Remote areas may take longer.
Some custom products (select Made in USA casters, keyway wheels, drive wheels) are built after purchase and ship on a longer lead time. When applicable, the ship-time estimate is shown on the product page.
Contact us before ordering and we’ll confirm total landed cost upfront. Contact us.
The Hamilton R-MS-8MB Rigid Caster is a versatile and robust solution designed for medium-duty applications. Featuring an 8" x 2" metal wheel and a 1/2" sealed precision ball bearing, it provides exceptional performance and durability.
The R-MS-8MB caster is perfect for various environments, including warehouses, retail settings, and workshops, offering reliable and smooth mobility for carts, trolleys, and mobile workstations.
Hamilton’s commitment to quality ensures that the R-MS-8MB caster is built to withstand the rigors of medium-duty use, making it a long-lasting investment for any business requiring reliable mobility solutions.
Choosing Hamilton means opting for a blend of innovation, quality, and performance. The R-MS-8MB model exemplifies Hamilton's dedication to providing top-tier caster solutions for a wide range of applications.
$122.00
Designed for engineers, manufacturers, and material handling professionals