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3 Inch Blue TPR Caster Wheel With Zinc Coating And Anti-dust Ring
| MOQ: | 500PCS |
| Price: | RMB 0.5-10/piece |
| Delivery Period: | 5-10 working days |
| Payment Method: | T/T,D/P,L/C |
3 inch TPR caster wheel with zinc coating
,thermoplastic caster wheels with zinc plating
,heavy duty TPR caster wheels
Key Features
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High‑quality TPR tread – Made of thermoplastic rubber (TPR), permanently bonded to a polypropylene (PP) core. It provides a quiet, floor‑friendly rolling experience.
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Single ball bearing – Equipped with a single ball bearing (e.g., #6202) in the wheel hub for smooth and effortless movement.
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Double brake system – A single pedal that simultaneously locks both wheel rotation and swivel action (total‑lock / full‑brake), ensuring maximum stability when stationary.
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Corrosion‑resistant bracket – The fork is made of pressed steel with a blue zinc‑plated finish, offering good rust and corrosion protection.
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Anti‑dust ring – A protective ring (or plastic cap) is fitted around the swivel raceway to prevent dust, lint, and moisture from entering the bearing area, extending the caster’s service life.
Product Specifications
The following are typical parameters for this model (actual values may vary by manufacturer)
| Parameter | Typical Value |
|---|---|
| Wheel diameter | 3 inches (75 mm) |
| Tread width | 21 – 32 mm |
| Overall height | Approx. 97 – 107 mm |
| Load capacity | 50 – 150 kg (depending on design) |
| Fork material & finish | Stamped steel, blue zinc‑plated |
| Bearing type | Single ball bearing (e.g., #6202) |
| Brake type | Double brake (total‑lock) |
| Dust protection | Anti‑dust ring (or plastic wheel cover) |
Functional Benefits
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Excellent floor protection & quiet operation – The soft TPR material leaves no marks, making it ideal for sensitive floors such as tile, wood, or laminate. It also absorbs shock and reduces rolling noise significantly.
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Enhanced safety – The double‑brake (total‑lock) mechanism secures both the wheel and the swivel direction at the same time, preventing unintended movement even on inclined surfaces or when precision positioning is required.
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Durability and smooth rolling – The single ball bearing reduces friction, making pushing and turning effortless. The zinc‑plated fork and anti‑dust ring improve corrosion resistance and keep contaminants out, ensuring long‑term reliability.
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Wide application – Combining quietness, floor protection, good load capacity, and secure locking, this caster is well suited for medical equipment, laboratory instruments, high‑end furniture, industrial carts, and display units.
