4 inch/5 inch/6 inch/8 inch Heavy Duty roller bearing Swivel Caster Industrial Conductive Caster Wheel AntiStatic Casters
Carsun 4 Series Top Plate Swivel & Rigid Casters. Capacity up to 540kg each
Features:
Full double ball raceways hardened with heat treat process for better performance and greater durability.Zinc plated finish with RoHS comliance.1/2" hollow axle with grease zerk and lock nut.
Permanent rivet kingpin with 5/8" diameter rivet for swivel ease and stability.
Protects floor with a non-marking tread design.Meet the requirement of an average electrical resistance of less than 250,000 ohms.Conductive material to eliminate static build-up and discharge.Use imported material.
Wheel Diameter
(mm) |
Thread Width (mm) |
Capacity per Caster (kg) |
Wheel |
Bearing |
Model Number |
Load Height (mm) |
Swivel
Radius
(mm) |
| Swivel |
Rigid |
| 100 |
51 |
180 |
Conductive TPR |
Roller |
4-4T01S-501E |
4-4T01R-501E |
143 |
90 |
| Double ball |
4-4T01S-501G |
4-4T01R-501G |
| 270 |
Conductive Polyurethane |
Roller |
4-4T01S-511E |
4-4T01R-511E |
| Double ball |
4-4T01S-511G |
4-4T01R-511G |
| 295 |
Conductive Nylon |
Roller |
4-4T01S-515E |
4-4T01R-515E |
| Double ball |
4-4T01S-515G |
4-4T01R-515G |
| 125 |
51 |
180 |
Conductive TPR |
Roller |
4-5T01S-501E |
4-5T01R-501E |
165 |
108 |
| Double ball |
4-5T01S-501G |
4-5T01R-501G |
| 340 |
Conductive Polyurethane |
Roller |
4-5T01S-511E |
4-5T01R-511E |
| Double ball |
4-5T01S-511G |
4-5T01R-511G |
| 375 |
Conductive Nylon |
Roller |
4-5T01S-515E |
4-5T01R-515E |
| Double ball |
4-5T01S-515G |
4-5T01R-515G |
| 150 |
51 |
270 |
Conductive TPR |
Roller |
4-6T01S-501E |
4-6T01R-501E |
191 |
127 |
| Double ball |
4-6T01S-501G |
4-6T01R-501G |
| 410 |
Conductive Polyurethane |
Roller |
4-6T01S-511E |
4-6T01R-511E |
| Double ball |
4-6T01S-511G |
4-6T01R-511G |
| 450 |
Conductive Nylon |
Roller |
4-6T01S-515E |
4-6T01R-515E |
| Double ball |
4-6T01S-515G |
4-6T01R-515G |
| 200 |
51 |
304 |
Conductive TPR |
Roller |
4-8T01S-501E |
4-8T01R-501E |
241 |
165 |
| Double ball |
4-8T01S-501G |
4-8T01R-501G |
| 410 |
Conductive Polyurethane |
Roller |
4-8T01S-511E |
4-8T01R-511E |
| Double ball |
4-8T01S-511G |
4-8T01R-511G |
| 450 |
Conductive Nylon |
Roller |
4-8T01S-515E |
4-8T01R-515E |
| Double ball |
4-8T01S-515G |
4-8T01R-515G |
Product Usage (Applications)


Dongguan Carsun Caster Co.,Ltd. Comprehensive Caster Wheel Manufacturing Capabilities
As a leading caster wheel manufacturer, we offer both standard industrial casters and fully customized solutions to meet diverse application requirements. Our production capabilities include:
- Standard & Custom Product Lines:
- Complete range of industry-standard casters (swivel, rigid, locking, etc.)
- Bespoke caster solutions tailored to specific load capacities, operating environments, and mobility needs.
- Specialized designs for unique applications (ESD-protected, high-temperature, etc.)
- Certified Quality & Compliance:
- CE & RoHS compliant environmental protection standards.
- Medical-grade casters meeting SGS international testing standards.
- ISO 9001:2015 certified quality management system.
- Additional compliance with ANSI, DIN, and other regional standards.
- Rigorous Quality Assurance:
- In-house testing laboratory equipped with:
• Dynamic load testing machines
• Salt spray corrosion test chambers
• Impact resistance testing equipment
• Rolling resistance measurement systems
• Noise level testing facilities
- Mandatory pre-shipment testing protocol including:
• 100,000+ cycles durability testing
• Chemical resistance validation
• Temperature tolerance verification
• Surface hardness measurement
- Technical Support & Documentation:
- Engineering consultation for optimal caster selection
- Complete technical documentation package
- CAD drawings and 3D models available
- Material certification and test reports
Our vertically integrated manufacturing facility allows complete control over production processes, from raw material selection to final inspection, ensuring consistent quality across all product lines. We continuously invest in R&D to develop innovative caster solutions that address evolving industry challenges.


1.Q: Are you manufacture or trading company?
A: We are manufacture. Our factory has been specializing in all kinds of caster wheels since 2014.
2.Q: Where is your factory? Can I visit ?
A: Our factory is located in Dongguan, Guangdong China. It's an hour's drive from Guangzhou Baiyun International Airport.You are warmly welcome to visit whenever you are available.
3.Q: What is your delivery time?
A: In general, within 20 days. It also depends on the order quantity.
4.Q: What is the term of payment?
A: Payment terms: 50% of deposit upon signing the PI, and balance will be cleared by T/T or L/C before delivery.
5.Q: Can I get some samples? And what's the timing?
A: Yes, samples are available at any time. We charge some sample cost and will return it during the next order.
6 .Q: How can your factory control the quality?
A: Quality is at the forefront of our commitments to our customers always. We have strict quality management process from raw material to finished product. Details please ref below:
- Material Vendor Assessed.
- Incoming material inspected(IQC)
- In-line product 100% Check(IPQC)
- 100% inspect before packing(FQC)
- According to standard or customer's requirement to check random after final packing to ensure the quality(QA)
7. Q: What's the MOQ?
A:Normally we take the order no matter it's big or small. If your qty is less than 5pcs per SKU, we will arrange it in our sample room specially.
8. Q: Can I make my own brand?
A: Yes, we do both OEM and ODM, so you can make your own logo on the bags.
