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3.0-8.0 Inch Medium Grey Rubber Top Plate Rigid Caster Wheels (50-185kg)
Step 1: Mounting Style
Rigid
✓
Swivel Plate
✓
Threaded Stem
✓
Bolt Hole
✓
Swivel Stem
✓
Stem Ring
✓
Expanding Stem
✓
Others
✓
Step 2: Wheel Diameter
3“(75mm)
3.5“(85mm)
4“(100mm)
5“(125mm)
6“(150mm)
8“(200mm)
8 Core Advantages of Heavy-Duty Natural Rubber Casters
- Dual Ball Bearing Swivel: Precision double ball raceway ensures smooth 360° rotation even under load. Reduces push force for effortless maneuvering.
- Natural Rubber (NR) Wheel: High-quality NR tread delivers excellent shock absorption and ultra-quiet rolling performance. Features water and mild chemical resistance, perfectly suitable for uneven industrial floors.
- Total Lock Brake (Type C): Simultaneously locks both wheel rotation and swivel movement, firmly securing heavy-duty equipment in place. Equipped with a user-friendly foot-operated plate brake for easy operation.
- Zinc Plated Steel Bracket: Sturdy zinc-plated steel structure provides outstanding corrosion resistance for harsh industrial environments, designed for long-term durability under heavy loads.
- Top Plate Bolt-On Mounting: Standard top plate available in rigid, swivel, and total brake configurations. Clearly marked bolt hole spacing enables fast and stable installation.
- 18 Model Configurations: 3 mounting types paired with 6 wheel sizes ranging from 3.0 to 8.0 inches, totaling 18 models. One complete series meets diverse application demands.
- Consistent Quality: Strict QC standards implemented throughout production. Every caster undergoes load and rotation testing before shipment to ensure reliable long-term performance.
- Wide Temperature Range: Operates stably from -20°C to +60°C, delivering dependable performance in cold storage and regular ambient environments.
Additional Information
| Wheel Material | Natural Rubber (NR), Black |
|---|---|
| Wheel Hardness | 65 ± 5 Shore A |
| Bracket Material | Steel - Zinc Plated |
| Bearing Type | Double Ball Bearing Raceway |
| Brake Type | Total Lock - Wheel + Swivel (Type C) |
| Swivel Angle | 360° (B/C) / Fixed (A) |
| Operating Temp | -20°C to +60°C |
| Floor Protection | Good - Shock absorbing, Low noise |
| Noise Level | Low - Quiet rolling |
| Surface Finish | Zinc Plated (RoHS compliant) |
Downloads
Applications
Suitable Industries & Applications
Industrial Trolleys & Carts
Warehouse & Logistics Equipment
Material Handling Dollies
Heavy Machinery Stands
Assembly Line Stations
Workshop & Factory Equipment
Maintenance Platforms
Construction Site Equipment
Industrial Storage Racks
Exhibition & Stage Platforms
Loading Dock Equipment
Waste Management Containers
Recommended Usage
Suitable
Smooth, hard floors (tile, concrete)
Suitable
Indoor industrial environments
Suitable
Moderate to heavy-duty use
Suitable
Equipment up to 560 kg total (4 casters)
Suitable
Uneven surfaces requiring shock absorption
Not Recommended
Cleanroom or sterile environments
Not Recommended
Continuous exposure to oils, solvents
Not Recommended
High-temperature environments (>60°C)
FAQ
Q: What is the minimum order quantity? Can I order samples first?
A: Our standard MOQ is 100 pieces per model. Sample orders are welcome.
Q: Can I customize the wheel color or bracket finish?
A: Yes! We offer full OEM/ODM customization. Custom wheel colors, bracket finishes, and branded packaging are all available.
Q: Will these casters scratch or leave marks on my floors?
A: Not at all. Our wheels are non-marking and floor-friendly. They roll smoothly on tile, concrete, vinyl and other hard surfaces.
Q: How do I install these casters on my equipment?
A: Simply bolt the caster onto the equipment base using the pre-drilled mounting holes. Bolt spacing is clearly marked in the spec table.
Q: How do I know this caster can handle my equipment weight?
A: Each caster has a rated load capacity. For a 4-caster setup, multiply single caster capacity by 3 for safety margin.
Q: What is the typical lead time for orders?
A: Sample orders ship within 3-5 business days. Bulk orders typically take 15-25 days depending on quantity.
Company Profile
SUMATIC CASTER, established in 2020 in Zhongshan City, China, is a global provider of caster solutions, offering over 40 product series and more than 1,000 models. We specialize in high-performance casters for furniture, industrial, medical, and commercial applications, aiming to enhance equipment mobility and user experience.
Manufacturing Facility
Quality Control
Our Certificates
Exhibition
Our Services
Packaging & Shipping
Technical Specifications Table
Common: Wheel = Natural Rubber (NR), Black | Bracket = Steel-Zinc Plated | Bearing = Dual Ball Bearings
Plate Mount Models - Rigid Caster
| Photo | Model | Size | Wheel Diameter | Wheel Width | Load Capacity | Overall Height | Plate Size | Bolt Spacing | Bolt Ø | Mounting Style |
|---|---|---|---|---|---|---|---|---|---|---|
|
SC1303-A08 | 3.0" | 75 mm | 22 mm | 50 kg | 95 mm | 70x105 mm | 50x80 mm | 9 mm | Rigid Caster |
| SC1303-B08 | 3.0" | 75 mm | 22 mm | 50 kg | 95 mm | 70x105 mm | 50x80 mm | 9 mm | Swivel Plate | |
| SC1303-C08 | 3.0" | 75 mm | 22 mm | 50 kg | 95 mm | 70x105 mm | 50x80 mm | 9 mm | Plate with Brake | |
|
SC1370-A08 | 3.5" | 85 mm | 22 mm | 55 kg | 110 mm | 70x105 mm | 50x80 mm | 9 mm | Rigid Caster |
| SC1370-B08 | 3.5" | 85 mm | 22 mm | 55 kg | 110 mm | 70x105 mm | 50x80 mm | 9 mm | Swivel Plate | |
| SC1370-C08 | 3.5" | 85 mm | 22 mm | 55 kg | 110 mm | 70x105 mm | 50x80 mm | 9 mm | Plate with Brake | |
|
|
SC1304-A08 | 4.0" | 100 mm | 30 mm | 70 kg | 126 mm | 100x115 mm | 75x80 mm | 10.5 mm | Rigid Caster |
| SC1304-B08 | 4.0" | 100 mm | 30 mm | 70 kg | 126 mm | 100x115 mm | 75x80 mm | 10.5 mm | Swivel Plate | |
| SC1304-C08 | 4.0" | 100 mm | 30 mm | 70 kg | 126 mm | 100x115 mm | 75x80 mm | 10.5 mm | Plate with Brake | |
|
|
SC1305-A08 | 5.0" | 125 mm | 34 mm | 100 kg | 150 mm | 100x115 mm | 75x80 mm | 10.5 mm | Rigid Caster |
| SC1305-B08 | 5.0" | 125 mm | 34 mm | 100 kg | 150 mm | 100x115 mm | 75x80 mm | 10.5 mm | Swivel Plate | |
| SC1305-C08 | 5.0" | 125 mm | 34 mm | 100 kg | 150 mm | 100x115 mm | 75x80 mm | 10.5 mm | Plate with Brake | |
|
|
SC1306-A08 | 6.0" | 160 mm | 36 mm | 145 kg | 190 mm | 135x110 mm | 105x80 mm | 12 mm | Rigid Caster |
| SC1306-B08 | 6.0" | 160 mm | 36 mm | 145 kg | 190 mm | 135x110 mm | 105x80 mm | 12 mm | Swivel Plate | |
| SC1306-C08 | 6.0" | 160 mm | 36 mm | 145 kg | 190 mm | 135x110 mm | 105x80 mm | 12 mm | Plate with Brake | |
|
|
SC1308-A08 | 8.0" | 200 mm | 44 mm | 185 kg | 233 mm | 135x110 mm | 105x80 mm | 12 mm | Rigid Caster |
| SC1308-B08 | 8.0" | 200 mm | 44 mm | 185 kg | 233 mm | 135x110 mm | 105x80 mm | 12 mm | Swivel Plate | |
| SC1308-C08 | 8.0" | 200 mm | 44 mm | 185 kg | 233 mm | 135x110 mm | 105x80 mm | 12 mm | Plate with Brake |
Type A = Rigid Caster
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