Trolley Caster Manufacturer & Supplier
We produce casters designed for retail trolleys, supermarket carts, warehouse trolley carts, and commercial material handling equipment. A trolley caster is the rolling component installed on trolley frames, allowing smooth movement across different floor surfaces while supporting the weight of goods and daily operating cycles.
Trolley casters are typically manufactured from TPR (Thermoplastic Rubber), PU (Polyurethane), PP (Polypropylene), Nylon (PA), or Solid Rubber, combined with steel, galvanized steel, stainless steel, or plastic wheel cores. Depending on the application, wheel bearings may use plain bore, roller bearings, precision ball bearings, or double ball bearings to reduce rolling resistance.
Types of Our Trolley Caster
Choose the Right Wheel Material
Each tread material is engineered for specific floor conditions, load requirements and operating environments.
Thermoplastic Rubber
Suitable for ceramic tile floors, shopping malls and supermarkets.
- ✓ Low operating noise
- ✓ Floor protection
- ✓ Smooth rolling
Polyurethane
Suitable for concrete floors, warehouse logistics and distribution centers.
- ✓ Wear resistance
- ✓ Low rolling resistance
- ✓ Higher load capacity
PA / Nylon
Suitable for industrial warehouses, heavy-duty carts and dry environments.
- ✓ High hardness
- ✓ Low deformation
- ✓ Chemical resistance
Polyvinyl Chloride
Suitable for standard retail shopping carts.
- ✓ Economical material
- ✓ Moderate load capacity
- ✓ Indoor operation
Corrosion Resistant
Suitable for food processing, cold storage and wet environments.
- ✓ Corrosion resistance
- ✓ Wash-down applications
- ✓ Long service life
PP / Nylon Core
Suitable for lightweight shopping carts and convenience stores.
- ✓ Reduced overall weight
- ✓ Corrosion resistant
- ✓ Low maintenance
Trolley Caster Production Process
Wheels are customized according to cart structure, floor conditions, load requirements and operating environments.
Requirement Analysis
Determine wheel diameter, width, static & dynamic load, frame/fork dimensions, mounting method, bearing type, floor condition and temperature.
Material Selection
Tread: TPR, PU, PVC, Nylon, PP or solid rubber. Core: steel, galvanized steel, stainless steel, PP or nylon.
Bearing Selection
Plain bore, roller bearing, precision ball bearing or double ball bearing — affecting rolling resistance, noise, life and maintenance.
Wheel Production
Injection molding, PU casting, rubber vulcanization, precision machining, bearing assembly and dynamic balance inspection.
Assembly
Wheel, axle, spacer, bearing, fork and fasteners assembled to spec.
Quality Inspection
Diameter tolerance, load testing, rolling resistance, swivel performance, bearing rotation, surface finish and dynamic durability.
Standard Wheel Specifications
Material Comparison
Where Our Wheels Move the World
Supermarket Trolleys
Continuous use on tile, polished concrete, epoxy and vinyl floors.
Mall Retail Push Carts
Swivel wheels improve maneuverability around shelves and checkout.
Warehouse Stock Trolleys
PU or nylon wheels for heavier loads on concrete floors.
Wholesale Bulk Carts
Larger diameters reduce pushing effort over uneven surfaces.
Convenience Mini Trolleys
Compact carts with small-diameter wheels for narrow aisles.
Airport Luggage Trolleys
Corrosion resistance and rolling efficiency for baggage trolleys.
Mounting Methods
Plate Mount
Caster bracket fixed with four bolts through the mounting plate. For large shopping carts and warehouse carts.
Bolt Hole Mount
A center bolt secures the wheel assembly to the cart frame. For standard supermarket shopping carts.
Threaded Stem
Threaded stem inserted into the frame and secured with a locking nut. For lightweight retail utility carts.
Axle Mount
Wheel rotates directly on an axle fixed to the frame. For fixed rear wheels and heavy-duty trolleys.
Frequently Asked Questions
1. What wheel material is suitable for supermarket shopping carts?
TPR wheels are commonly used on indoor tile and vinyl floors because they provide quieter operation and reduce floor marking. PU wheels are preferred where higher load capacity or increased wear resistance is required.
2. How do I choose the correct wheel diameter?
Larger wheels reduce rolling resistance and perform better on uneven surfaces, while smaller wheels suit compact carts on smooth indoor floors.
3. What bearing type is recommended?
Ball bearings suit frequent daily use and lower pushing force. Plain bore wheels are used for lighter-duty, lower-frequency applications.
4. Can Trolley Caster be replaced individually?
Yes. Wheels can be replaced if diameter, width, axle size, bearing type and mounting dimensions match the original specifications.
5. What load capacity should each wheel support?
It depends on total loaded cart weight. Include a safety margin for uneven load distribution and dynamic movement.
6. Are Trolley Caster suitable for outdoor use?
PU, nylon and rubber wheels suit outdoor pavements and rough concrete. TPR wheels are primarily for smooth indoor flooring.
7. Can stainless steel wheel assemblies be supplied?
Yes. Stainless steel brackets and corrosion-resistant bearings are available for wet, food processing and cold storage applications.
8. What information is needed for a custom wheel?
Wheel diameter, width, load capacity, tread & core material, bearing type, axle diameter, mounting method, operating floor, working temperature and required quantity.
As one of the most professional shopping cart wheel manufacturers and suppliers in China since 1997, we're featured by cheap products and good service. Please rest assured to wholesale high quality shopping cart wheel at competitive price from our factory.