Deep-groove ball bearings, such as the renowned 6204 bearing, are fundamental components in countless industrial applications. Their ability to accommodate radial and axial loads makes them highly versatile, contributing to the smooth operation of machinery across various sectors.
The 6204 bearing is a single-row, deep-groove ball bearing that has an inner ring, an outer ring, and ball elements separated by a cage. This design enables the bearing to withstand both radial and axial loads. The deep grooves on the inner and outer rings provide ample space for the balls, ensuring smooth rolling motion and reducing friction.
Due to their versatility, 6204 bearings find applications in a wide range of industries, including:
Incorporating 6204 bearings into your designs offers numerous advantages:
Parameter | Value |
---|---|
Inner diameter (d) | 20 |
Outer diameter (D) | 47 |
Width (B) | 14 |
Weight | 0.112 |
Load type | Radial | Axial |
---|---|---|
Static load rating (C0) | 14.5 | - |
Dynamic load rating (C) | 28 | 11 |
Operating speed | Limit speed |
---|---|
Grease lubrication | 10,000 |
Oil lubrication | 15,000 |
Replacing a 6204 bearing requires precision and care. Follow these steps for successful installation:
Bearings are crucial components that contribute to the smooth operation of machinery. Using high-quality bearings, such as the 6204 bearing, is vital to avoid premature failures and costly downtime. By implementing proper maintenance practices and utilizing reliable bearings, companies can minimize the risk of unplanned downtime, enhance productivity, and ensure equipment longevity.
Pros:
Cons:
Q1. What is the difference between 6204 and 6205 bearings?
A: The 6205 bearing has a wider inner ring and a narrower outer ring compared to the 6204 bearing, resulting in a higher radial load capacity.
Q2. How long do 6204 bearings typically last?
A: With proper lubrication and maintenance, 6204 bearings can have a service life of several thousand hours or even longer.
Q3. What are the most common causes of 6204 bearing failure?
A: Contamination, improper lubrication, excessive loads, and misalignment are typical causes of bearing failure.
The Overloaded Bearing: An engineer designed a system with a 6204 bearing that was undersized for the load. As a result, the bearing catastrophically failed, causing damage to the entire machine. Lesson: Always check the load ratings of bearings to prevent premature failure.
The Stubborn Bearing: A maintenance technician struggled to remove a 6204 bearing from a motor shaft. After three hours of hammering, the bearing finally came loose, only to reveal that it was installed backward. Lesson: Always double-check bearing orientation before installation.
The Noisy Neighbors: Two 6204 bearings were installed in a conveyor system. One bearing was noisy, while the other was quiet. The noisy bearing was accidentally lubricated with grease instead of oil. Lesson: Use the correct lubricant specified for the bearing type.
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