
12x47x10.5mm 6201ZZ U-Groove Nylon Pulley for Sliding Doors and Windows
| Item No : | 6201ZZ U-Groove Pulley |
| Size (d*D*B) : | 12x47x10.5mm |
| Material : | Chrome Steel +Nylon PA6 |
| Lead Time : | 10-15 days |
| Weight : | 0.042KG |
| MOQ : | 2000 pcs |
⚙️Product Description:

⚙️Product Features:
- Ready Mold Advantage: Existing mold for the 12x47x10.5mm configuration means zero upfront tooling fees and rapid mass production.
- Flexible Material Blends: Fully customizable combinations—Stainless Steel (anti-corrosion), Chrome Steel (heavy load), or Carbon Steel cores with PA6, POM, or PU outer profiles to match your application.
- Heavy Radial Support: Equipped with the robust 6201ZZ industrial ball bearing core, offering high load-bearing capacity and whisper-quiet rotational stability.
- Precision U-Groove Geometry: Engineered to guide wire ropes, round tracks, or inverted pipes perfectly, distributing stress evenly while preventing derailment.
- Reliable B2B Partner: Source directly via our cost-effective RMO brand for maximum margins, or utilize our trade network for other major global brands.
⚙️Product Application:
Thanks to its robust 12mm bore profile and versatile material options, this 6201ZZ pulley is widely utilized in:
- Heavy-duty sliding gates, industrial hangar doors, and commercial window track systems.
- Automated conveyor systems, factory assembly lines, and material handling rollers.
- Cable pulley mechanisms, heavy fitness equipment, and wire rope guide systems.
- Marine equipment and coastal infrastructure (utilizing the Stainless Steel + POM combination).
- Automated Guided Vehicles (AGV) tracks and garage door drive mechanisms.
⚙️Precautions:
| 1. Keep clean | 2. Use with caution | 3. appropriate tool | 4. Hot-loading | 5. Be careful of rust |
| Dust will have a bad effect on the bearing, so keep the surrounding clean. | Strong impact during use can easily cause scratches and indentations. | Avoid replacing existing tools, and use appropriate tools. | Bearings are precision parts, so hot installation is recommended. | Sweat on your hands during operation will cause rust, so it is best to wear gloves. |
![]() | ![]() | ![]() | ![]() | ![]() |
⚙️Obtain Certificate:
About Rimao
Since its establishment in 2011, Rimao Bearing has combined international vision with local wisdom and injected innovative ideas into every bearing and pulley with its profound industry accumulation and unremitting pursuit of technology. We have not only passed CE and ROHS certification, but also set a new benchmark in the industry and led the development trend of the bearing industry.
We are not just a ball bearing and roller bearing importer and wholesaler. We provide real solutions to help you achieve the product and design goals set by your customers. With more than 20 years of production and sales experience, tens of thousands of models and specifications, we look forward to cooperating with you!
⚙️Technical Parameters:
| Item No. | 6201ZZ U Groove Bearing Pulley |
| Size | 12x47x10.5mm |
| Core Bearing Model | 6201ZZ (Double Metal Shields) |
| Groove Type Options | V / U / H / R / F-Groove, Etc. |
| Bearing Material Options | Stainless Steel / Chrome Steel / Carbon Steel |
| Outer Coating Options | Nylon PA6 / POM / Nylon PA66 / PU |
| Color Customization | Injection molded Yellow, White, or Custom Industrial Colors |
| Brand | RMO/Neutral/OEM/Other Brands |
| Package | Woven bags/Cartons |
| Lead Time | |
| Service | Support Sample Testing |
| Shipping Port | Guangzhou, Ningbo, Shanghai |
| Payment | 100% T/T, or 30% T/T In Advance ,70% T/T After Finished Production |
leave a message
If you are interested in our products and want to know more details, please leave a message here, we will reply you as soon as we can.




















