| MOQ: | 1000 PCS |
| Price: | RMB 0.5-10/piece |
| Delivery Period: | 5-10 working days |
| Payment Method: | T/T,D/P,L/C |
4 Inch Red PU Iron Core Caster Wheel With Double Brake For Trolley And Equipment
This caster is a heavy-duty mobility solution engineered for demanding industrial applications, combining exceptional load capacity with comprehensive locking control. Its key physical and mechanical features include:
4-Inch Diameter & Red PU on Iron Core Wheel: The wheel measures 4 inches (approximately 100mm) in diameter. It features a red polyurethane (PU) tread bonded to a heavy-duty iron or cast iron core . This dual-material construction provides the shock absorption and floor protection of polyurethane with the immense strength and load-bearing capacity of metal.
Double Brake System: The caster is equipped with a comprehensive braking mechanism. Based on industry standards, this "double brake" typically refers to either:
Total Lock Brake: A single pedal that locks both the wheel rotation and the swivel actionsimultaneously, ensuring complete immobility .
Combination System: Some configurations offer a side lock brake (locking the wheel hub) plus a separate swivel lock (converting the swivel to rigid), which together provide total lock functionality .
Double Ball Bearings: The wheel hub contains double ball bearings . This precision bearing type ensures exceptionally smooth, low-friction rotation and can handle high radial and thrust loads, guaranteeing long service life under continuous heavy use. High-quality grease (such as molybdenum disulfide) is often used for durability .
Swivel Function (360°): The caster features a full swivel bracket, typically made of heavy-gauge steel with a corrosion-resistant finish such as zinc plating . The swivel head incorporates precision ball bearings with hardened raceways for smooth directional changes even under heavy loads .
Exceptional Load Capacity: A 4-inch red PU on iron core caster with double ball bearings is rated for heavy-duty applications. Load capacities typically range from 230 kg to 570 kg (approximately 500 lbs to 1,250 lbs) per caster, depending on the specific design and manufacturer .
Standard Top Plate Mounting: Most models feature a standard top plate fitting for secure mounting to equipment frames, with common plate sizes around 100x113mm and bolt hole centers .
The primary functions of this caster are centered on providing powerful, reliable mobility and comprehensive control for heavy equipment:
| Feature | Functional Benefit |
|---|---|
| Red PU on Iron Core Wheel | Offers exceptional load capacity with floor protection. The iron core provides immense strength to support heavy loads without deformation, while the polyurethane tread absorbs shock, reduces noise, and is non-marking, protecting industrial floors from damage . |
| Double Brake System | Delivers maximum stability and safety by locking both the wheel and swivel. This prevents any unwanted movement, "creep," or swiveling, which is essential for equipment that must remain perfectly still during operation, loading, or on level floors . |
| Double Ball Bearings | Ensures effortless rolling and superior load distribution. Significantly reduces rolling resistance, making heavy machinery easy to maneuver with minimal operator fatigue, even under continuous use . |
| Precision Swivel Head | Provides smooth steering and precise positioning in tight spaces. The precision bearings in the swivel raceway allow for easy 360° rotation and accurate alignment of equipment, even under heavy loads . |
| Zinc-Plated Steel Bracket | Provides structural integrity and longevity in demanding environments. Corrosion-resistant finish protects the metal frame from rust caused by humidity, moisture, and industrial cleaning agents . |
Given its combination of massive load capacity, smooth-rolling double bearings, floor-protective PU tread, and comprehensive double brake system, this caster is ideally suited for the most demanding industrial, commercial, and institutional applications .
Heavy Industrial Material Handling:
Heavy-Duty Platform Trucks: For transporting extremely heavy loads of parts, materials, and finished goods in warehouses, factories, and distribution centers .
Large Roll Cages and Transport Containers: For secure and efficient movement of bulk items in logistics and heavy manufacturing environments .
Automotive Assembly Line Carts: For moving heavy components, engines, and sub-assemblies along production lines .
Industrial Machinery and Equipment:
Heavy Machine Tool Stands: For massive equipment like large presses, lathes, milling machines, and industrial generators that require mobility for repositioning but demand absolute stability during operation .
Portable Heavy-Duty Generators and Compressors: For industrial-grade generators, air compressors, and welding units that need to be moved into position for use and locked securely .
Heavy Workbenches and Maintenance Carts: For mobile workstations in fabrication shops, heavy equipment maintenance facilities, and assembly areas .
Commercial and Institutional Heavy-Duty Use:
Large Catering and Food Service Equipment: For heavy food service trolleys, ingredient bins, and equipment racks in commercial kitchens and institutional catering operations .
Hospital Equipment and Medical Carts: For heavy medical equipment, patient transport systems, and supply carts in hospitals and healthcare facilities .
Theatrical and Stage Equipment: For moving heavy lighting trusses, speaker systems, and stage platforms that require quiet movement and secure positioning.
Warehouse and Distribution Centers:
Pallet Dollies and Skid Movers: For maneuvering palletized loads in tight warehouse spaces.
Heavy-Duty Shelving and Racking Systems: For mobile storage systems that need to be repositioned for access while safely supporting massive weight.