1. Introduction
This manual provides essential information for the proper handling, installation, operation, and maintenance of Aexit S695Z Deep Groove Ball Bearings. Adhering to these instructions will help ensure optimal performance and extend the lifespan of the bearings. Please read this manual thoroughly before use.
2. Product Overview
The Aexit S695Z is a deep groove ball bearing designed for applications requiring high rotational speeds and low friction. It features a double-shielded design to protect the internal components from dust and debris, and it comes pre-lubricated with grease for immediate use. These bearings are suitable for a wide range of applications, including industrial machinery, motorcycles, automobiles, power tools, and various mechanical equipment.

This image displays two Aexit S695Z deep groove ball bearings. Each bearing features a silver-tone metallic finish with a double-shielded design visible, protecting the internal components. The bearings are shown from a slightly angled perspective, highlighting their cylindrical shape and the central bore.
3. Setup and Installation
Proper installation is crucial for the performance and longevity of ball bearings. Follow these general guidelines:
- Cleanliness: Ensure that the bearing, shaft, and housing are clean and free from any contaminants, dust, or metal particles.
- Tools: Use appropriate tools for installation. Avoid direct hammering on the bearing rings or shields, as this can cause damage. Use a bearing press or a sleeve and hammer combination that applies force evenly to the inner or outer ring, depending on the fit.
- Alignment: Ensure the bearing is aligned correctly with the shaft and housing to prevent misalignment, which can lead to premature wear and failure.
- Fit: The bearing should have a proper interference fit on the shaft and a clearance fit in the housing, or vice versa, as specified by the application design.
- Lubrication: These bearings are pre-lubricated. Avoid washing out the factory grease unless specific application requirements dictate otherwise.
4. Operating Principles
Deep groove ball bearings are versatile and designed to accommodate both radial and axial loads. The balls roll in the deep raceway grooves, allowing for smooth rotation with minimal friction. The S695Z model is suitable for applications where moderate loads and high speeds are present. The double shields help retain the lubricant and prevent contaminants from entering the bearing, contributing to its efficiency and lifespan.
Operating Conditions:
- Temperature: Operate within recommended temperature ranges to prevent lubricant degradation and material stress.
- Load: Do not exceed the bearing's specified load limits to avoid premature fatigue and failure.
- Speed: Adhere to the maximum rotational speed ratings to prevent excessive heat generation and vibration.
5. Maintenance
While S695Z bearings are shielded and pre-lubricated, periodic inspection can help identify potential issues early.
- Inspection: Regularly check for signs of wear, corrosion, or damage to the bearing shields and outer surfaces. Listen for unusual noises during operation, which may indicate internal damage or contamination.
- Cleaning: If the external surfaces of the bearing become dirty, wipe them clean with a lint-free cloth. Avoid using harsh solvents that could penetrate the shields and degrade the internal lubricant.
- Re-lubrication: For most applications, the factory pre-lubrication is sufficient for the bearing's service life. If the bearing is exposed to extreme conditions or operates for extended periods, consult a bearing specialist for re-lubrication recommendations, as this may require removing the shields.
- Storage: Store bearings in a clean, dry environment, ideally in their original packaging, to prevent contamination and corrosion before installation.
6. Troubleshooting
If you encounter issues with your Aexit S695Z bearings, consider the following common problems and potential solutions:
| Symptom | Possible Cause | Solution |
|---|---|---|
| Excessive Noise/Vibration | Contamination, improper installation, insufficient lubrication, bearing damage, misalignment. | Inspect for debris, re-install correctly, check for damage, ensure proper alignment. Replace if damaged. |
| Overheating | Excessive load, high speed, insufficient lubrication, tight fit, misalignment. | Reduce load/speed, check lubrication, verify fit, correct alignment. |
| Premature Failure | Improper installation, excessive load, contamination, corrosion, material fatigue. | Review installation procedures, ensure operating within specifications, maintain cleanliness. Replace bearing. |
7. Specifications
Key specifications for the Aexit S695Z Deep Groove Ball Bearings:
| Feature | Specification |
|---|---|
| Product Name | Deep Groove Ball Bearing |
| Model | S695Z |
| Material | Bearing Steel |
| Color | Silver Tone |
| Inside Diameter | 5mm / 0.2" |
| Outside Diameter | 13mm / 0.5" |
| Thickness / Overall Width | 4mm / 0.16" |
| Shielding | Double Shielded (Z type) |
| Lubrication | Pre-lubricated with grease |
| Item Weight (per 20pcs) | 50g / 1.76 ounces |
| Measurement System | Metric |
8. Warranty and Support
For warranty information, technical support, or any product-related inquiries, please contact the seller or manufacturer directly. Keep your purchase receipt or order details handy when seeking support.