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| Product No. | QJ3565EZV |
| d | 35 mm |
| D | 65 / 75 mm |
| B | 16 mm |
| Weight | 0.25 kg |
How do I determine the correct contact angle for my Angular Contact Ball Bearing application?
Choosing the right contact angle for an Angular Contact Ball Bearing is crucial for optimal performance. The contact angle, typically ranging from 15° to 40°, determines the bearing's axial load capacity. Lower angles (e.g., 15°-25°) are suited for applications with moderate axial loads but require high-speed rotation, such as in electric motors. Higher angles (e.g., 30°-40°) can withstand heavier axial loads, making them ideal for gearboxes or pumps. Understanding the specific operational requirements, including load type and magnitude, rotational speed, and precision needs, will guide you in selecting the Angular Contact Ball Bearing with the most appropriate contact angle.
What is preload, and why is it important in the context of Angular Contact Ball Bearings?
Preload in Angular Contact Ball Bearings refers to intentionally introducing a slight axial load during assembly to remove play between the balls and races, enhancing rigidity and precision. This is particularly important in high-precision machinery like CNC machines, where minimal backlash and high stability are required. By carefully adjusting the preload, the bearing's running accuracy and stiffness can be optimized. However, excessive preload can lead to increased friction, heat generation, and reduced bearing life. Therefore, a balanced preload setting is vital to exploit the full potential of Angular Contact Ball Bearings without compromising their longevity.
How should Angular Contact Ball Bearings be mounted and maintained to ensure longevity?
Proper mounting and maintenance are key to maximizing the service life of Angular Contact Ball Bearings. These bearings are often used in pairs (back-to-back, face-to-face, or tandem arrangements) to manage bidirectional thrust loads. During installation, ensure they are mounted with the correct orientation and preload, following the manufacturer's guidelines. Lubrication with a high-quality grease or oil, compatible with the operating temperature and speed, is essential. Regular inspection for signs of wear, noise, or vibration, along with timely lubrication replenishment, helps prevent premature failure. Remember, maintaining clean and controlled operating environments also significantly contributes to the longevity of Angular Contact Ball Bearings.
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