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| Customization: | Available |
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| Warranty: | 5 Year |
| Certification: | CE, ISO |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
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Payment Guarantee
Platform-protected payments with refund support for eligible order issues.
Platform Logistics
Inspection Service
After-Sales & Dispute Handling
Suppliers with verified business licenses
Audited Supplier Audited by an independent third-party inspection agency
Parameter | Standard / Residential (2" Track) | Heavy-Duty / Industrial (3" Track) |
Compatible Track | 2-inch standard track | 3-inch industrial track |
Roller Diameter | 46mm (for 2" track) | 72mm (for 3" track) |
Stem Length (Total) | 4" (119mm) / 7" (185mm / 190mm) | 4" (119mm) / 7" (185mm / 190mm) |
Roller Material | Premium Nylon (POM) / Carbon Steel | Heavy-Duty Nylon (POM) / Carbon Steel |
Stem Material & Finish | Zinc-plated carbon steel (Stainless steel optional) | Zinc-plated carbon steel |
Bearing Options | • Standard: 11 / 13 carbon steel balls • Precision: 13 balls with dust cover • Premium: 6200ZZ sealed bearing | • Heavy-duty 6200ZZ bearing • 11 steel balls (Steel roller) |
Rated Cycle Life | 10,000 – 100,000+ cycles (depending on bearing) | 100,000+ cycles (industrial grade) |
Main Models | • CH-NR01-2": 11 balls nylon (Box standard) • CH-NR03B: 13 balls precision + dust cover • CH-NR04 / 04B: 6200ZZ sealed bearing • CH-SR01: 11 balls steel roller | • CH-NR05-3": 3" Nylon + 6200ZZ • CH-SR02: 3" Steel roller |
Color Options | White / Black (CH-NR02) | White / Black / Metallic Steel |
Sample Policy | Free samples available (freight collect) | Free samples available (freight collect) |
MOQ | 500 pcs (or supplied with Hardware Box) | 200 pcs |
OEM / Packaging | Custom stem length, bulk carton, branded box | Custom stem length, heavy-duty carton |
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