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| Place of Origin: | China |
| Brand Name: | OEM |
| Certification: | ISO 9001 2000 |
| Model Number: | U0840-20.5 |
The U-Shaped Groove Nylon-Coated Plastic Bearing Pulley is a precision guide roller designed for smooth and quiet movement along compatible cables, tracks, or guide rails. It combines a durable internal bearing with a nylon-coated plastic outer wheel, providing low-friction rotation, reduced operating noise, and good wear resistance.
The U-shaped groove helps guide and center the cable or track during operation, reducing lateral movement and improving running stability. Its lightweight construction and corrosion-resistant plastic surface make it suitable for various industrial and mechanical applications.
| Item | Specification |
|---|---|
| Model | U0840-20.5 |
| Bearing Type | U type track roller bearing |
| Bore Diameter (d) | 8 mm |
| Outer Diameter (D) | 40 mm |
| Thickness (B) | 20.5 mm |
| Feature | track roller |
| Seal type | rubber or metal shield |
| Outer Ring Shape | Spherical |
| Material | Chrome steel |
| Seal Type | Double Sealed |
| Lubrication | Grease Lubricated |
U-Shaped Groove Design: Helps guide and center cables, ropes, or compatible tracks.
Nylon-Coated Surface: Provides good wear resistance and protects mating surfaces from scratches.
Smooth Rotation: Internal rolling bearing reduces friction during movement.
Low Noise Operation: Plastic outer wheel helps reduce operating noise.
Lightweight Construction: Reduces the overall weight of moving assemblies.
Corrosion Resistance: Nylon outer material is resistant to moisture and many common chemicals.
Customizable Design: Available in different wheel diameters, groove sizes, and bearing configurations.
Industrial conveyor systems
Sliding doors and gate systems
Cable guiding mechanisms
Textile machinery
Packaging equipment
Automation and material-handling systems
Mechanical guide rail assemblies
| Model | Bore (inch) | Bore (mm) | Outer Diameter (mm) | Width (mm) |
|---|---|---|---|---|
| UC201-08 | 1/2" | 12.70 | 47 | 31 |
| UC202-10 | 5/8" | 15.875 | 47 | 31 |
| UC203-11 | 11/16" | 17.462 | 47 | 31 |
| UC204-12 | 3/4" | 19.05 | 47 | 31 |
| UC205-14 | 7/8" | 22.225 | 52 | 34.1 |
| UC205-15 | 15/16" | 23.813 | 52 | 34.1 |
| UC205-16 | 1" | 25.40 | 52 | 34.1 |
| UC206-18 | 1-1/8" | 28.575 | 62 | 38.1 |
| UC206-19 | 1-3/16" | 30.162 | 62 | 38.1 |
| UC206-20 | 1-1/4" | 31.75 | 62 | 38.1 |
| UC207-20 | 1-1/4" | 31.75 | 72 | 42.9 |
| UC208-24 | 1-1/2" | 38.10 | 80 | 49.2 |
| UC209-28 | 1-3/4" | 44.45 | 85 | 49.2 |
| UC210-32 | 2" | 50.80 | 90 | 51.6 |
For purchasing the U0840-20.5 U Shape Groove Nylon Coated Plastic Bearing Pulley Wheel , contact our professional team:
Email: sales@transmission-chain.com
WhatsApp: 008615006175975
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