1. Product Overview
The uxcell Self Lubricating Plain Bearing Sleeve is a high-performance component designed for various industrial applications. These sleeves are constructed with a low-carbon steel plate base and feature self-lubricating properties, ensuring smooth operation with minimal wear and friction.
This product offers excellent sliding characteristics and contributes to reduced operational noise, making it suitable for environments where efficiency and quiet performance are critical.
Image 1.1: Four uxcell Self Lubricating Plain Bearing Sleeves. These cylindrical components are copper-toned with a darker interior, indicating their metallic composition and self-lubricating properties. They are shown in a set of four, highlighting the typical packaging quantity.
2. Specifications
| Attribute | Value |
|---|---|
| Product Name | Plain Bearing Sleeve |
| Total Size (L*OD*Inner Diameter) | 15mm x 10mm x 8mm (0.6" x 0.4" x 0.3") |
| Material | Metal (Low-carbon steel plate base) |
| Color | Copper Tone |
| Weight (per 4 Pcs) | 15g (0.53 oz) |
| Package Content | 4 x Plain Bearing Sleeve |
| Model Number | US-SA-AJD-346617 |
3. Setup and Installation
These plain bearing sleeves are designed for press-fit or interference-fit installations into housings. Proper installation is crucial for optimal performance and longevity.
3.1. Preparation
- Ensure the housing bore is clean, free of burrs, and within specified tolerances for the bearing sleeve's outer diameter (OD).
- Verify that the shaft intended for the bearing's inner diameter (ID) is also clean and within tolerance.
- Inspect the bearing sleeves for any visible damage or manufacturing defects before installation.
3.2. Installation Procedure
- Press-Fit: For best results, use an arbor press or hydraulic press to gently and evenly press the bearing sleeve into the housing bore. Ensure the force is applied squarely to the end face of the sleeve to prevent deformation.
- Alignment: Maintain proper alignment during the pressing process to avoid cocking or damaging the sleeve or housing.
- Avoid Hammering: Do not use a hammer or impact tools directly on the bearing sleeve, as this can cause damage to the self-lubricating layer or deform the sleeve. If manual insertion is necessary, use a soft mallet with a suitable drift that contacts the entire end face of the sleeve.
- Post-Installation Check: After installation, ensure the sleeve is fully seated and that the inner diameter is not deformed, allowing for free movement of the shaft.
4. Operating Principles
The uxcell Self Lubricating Plain Bearing Sleeve operates on the principle of a composite material structure that provides inherent lubrication. The bearing consists of a metal backing (low-carbon steel) for mechanical strength, a porous bronze powder layer, and a PTFE (Polytetrafluoroethylene) and lead mixture as the sliding surface.
During operation, the PTFE/lead mixture provides a low-friction surface, while the porous bronze layer acts as a reservoir for the solid lubricant, ensuring continuous lubrication even under varying loads and speeds. This design eliminates the need for external lubrication, reducing maintenance requirements and preventing contamination from lubricants.
The self-lubricating properties contribute to low wear rates and a long service life, making these sleeves ideal for applications where traditional lubrication is difficult or undesirable.
5. Maintenance
One of the primary advantages of self-lubricating plain bearing sleeves is their minimal maintenance requirement. They are designed to operate without external lubrication throughout their service life.
5.1. Routine Inspection
- Periodically inspect the bearing sleeves for signs of excessive wear, such as increased clearance between the shaft and bearing, unusual noise, or visible damage to the sliding surface.
- Ensure the operating environment remains free from abrasive contaminants that could prematurely wear the bearing surface.
5.2. Cleaning
If cleaning is necessary, use a clean, lint-free cloth. Avoid using harsh chemicals or abrasive cleaners that could damage the self-lubricating layer.
5.3. Replacement
Replace bearing sleeves if they show signs of significant wear, damage, or if they no longer provide the required performance. Always replace with a sleeve of the correct size and type.
6. Troubleshooting
While self-lubricating bearings are generally reliable, issues can arise from improper installation or extreme operating conditions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Excessive Noise / Squeaking |
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| Increased Friction / Sticking |
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| Premature Wear |
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7. Safety Information
While these bearing sleeves are passive components, general safety practices should be observed during handling and installation.
- Always wear appropriate personal protective equipment (PPE), such as safety glasses and gloves, when handling industrial components.
- Be aware of pinch points during installation, especially when using pressing equipment.
- Ensure that the machinery or system where the bearings are installed is de-energized and secured before performing any installation or maintenance.
- Keep out of reach of children.
8. Warranty and Support
For information regarding product warranty, technical support, or further inquiries, please contact uxcell customer service or visit the official uxcell website.
Manufacturer: uxcell
Model Number: US-SA-AJD-346617
Date First Available: June 28, 2017
For additional product details and support, you may visit the uxcell Store on Amazon.