20 Series: Iron Core PU Wheels Medium Duty Casters

Iron core PU casters with strong load-bearing, wear resistance, and quiet rolling. Ideal for carts, racks, and trolleys. Made by a professional caster factory in China

Size：3″ 4″ 5″
Load capacity: 90KG-110KG
Complies with export standards of multiple countries, providing all test reports and industry certificates
Semi-automated production workshop with a monthly production capacity of 1.3 million units. Can provide caster samples

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JESS Caster 20 Series – Iron Core PU Wheel Medium Duty Casters

Strong Core. Smooth Performance. Made for Demanding Use.

Basic Specifications

Available Sizes: 3″, 4″, 5″
Load Capacity: 90KG–110KG
Caster Types: Swivel, Rigid, Brake
Mounting Options: Top Plate, Threaded Stem, Grip Ring Stem, Recessed Adapter

Heavy-Duty Construction & Flexible Installation

Brackets available in Stainless Steel, Zinc-Plated, or Chrome-Plated finishes
Multiple installation options: top plate, threaded stem, plug-in stem, recessed mount

Iron Core + Premium PU Wheel Design

Reinforced iron hub structure ensures high load-bearing strength and dimensional stability
Coated with high-elasticity polyurethane (PU) for superior wear resistance, shock absorption, and quiet rolling
Non-marking and floor-safe – ideal for sensitive surfaces
Resistant to oil, water, and most chemicals, perfect for complex and demanding environments

Certifications & Performance Testing

Compliant with EN, ISO standards
Certified by RoHS and REACH
Fully tested for abrasion resistance, load capacity, and impact durability
Quality guaranteed with full test documentation available

Application Scenarios

Ideal for use in:
Platform carts, hand trolleys, logistics cages, storage racks, tool carts, kitchen trolleys, equipment tables, food service carts, display racks, and more

Target Customers

Warehouse & logistics solution providers
Medical and food service equipment manufacturers
Industrial equipment factories
Furniture producers, hardware stores, casters distributors, and e-commerce platforms

OEM/ODM Services Available

Customize: wheel materials, bracket types, braking systems, mounting formats, individual packaging, and laser logo engraving

After-Sales & Delivery Assurance

1-Year Warranty
Delivery in 15–30 days depending on order volume
Full production schedule & process control provided
Trusted by global customers for consistent quality, strength, and supply capacity

Specification	Description
Model Number	JESS Caster 20 Series – Iron Core PU Wheel Medium Duty Casters
Size	3″ 4″ 5″
Load Capacity	90KG-110KG
Wheel Diameter	75mm、100mm、125mm
Wheel Width	32mm
Overall Height	106mm、131mm、154mm
Wheel Material	Polyurethane（PU）
Bracket Material	Steel, 304 stainless steel, aluminum alloy, cast iron, etc.
Mounting Type	top plate, threaded stem, grip ring stem, and expanding adapter
Brake Type	Foot Brake
Surface Treatment (Bracket)	Galvanized,electroplating
Swivel Type	Universal / Directional
Application	Trolleys, platform carts, roll cages, rack carts, turnover boxes，Forklift attachments, meal delivery carts, beverage carts, kitchen equipment, tool carts, workbenches，Retail displays, promotional racks, and more
Customization	Support OEM/ODM
MOQ	500 pcs
Lead Time	15-30 day