The 6204 bearing is an integral component in various industrial and automotive applications, renowned for its durability, reliability, and versatility. This comprehensive guide delves into the intricacies of this deep groove ball bearing, exploring its features, specifications, applications, maintenance practices, and troubleshooting tips.
The 6204 bearing belongs to the 6000 series of deep groove ball bearings manufactured according to ISO 15 standards. Its single-row design consists of an inner ring, an outer ring, and ball elements held together by a cage. This bearing type is designed to accommodate radial loads primarily, with limited axial load capacity.
Table 1: 6204 Bearing Dimensions (mm)
Dimension | Value |
---|---|
Bore Diameter (d) | 20 |
Outer Diameter (D) | 47 |
Width (B) | 14 |
Table 2: 6204 Bearing Load Ratings (kN)
Load Type | Static (C0) | Dynamic (C) |
---|---|---|
Radial | 13.7 | 28 |
Axial | 6.4 | 13 |
Table 3: 6204 Bearing Limiting Speeds (rpm)
Lubrication | Grease | Oil |
---|---|---|
Basic Rating | 14,000 | 20,000 |
With Oil Bath | 24,000 | 33,000 |
The 6204 bearing finds widespread use in numerous applications across industries, including:
Proper maintenance and lubrication are crucial for ensuring optimal performance and extending the lifespan of 6204 bearings:
Common issues with 6204 bearings can include:
Repairs involve replacing worn or damaged bearings. Proper mounting, lubrication, and alignment are essential to ensure optimal performance and longevity.
Step 1: Prepare and Disassemble
Step 2: Inspect and Clean
Step 3: Lubricate and Install
Step 4: Reassemble and Check
The 6204Z bearing has a metal shield on one side to protect against contamination.
The maximum speed depends on the lubrication method. With grease lubrication, it is typically 14,000 rpm, while with oil bath lubrication, it can reach 24,000 rpm.
Lubrication frequency depends on operating conditions, load, and speed. Generally, re-lubrication is recommended every 3-6 months under normal conditions.
Improper lubrication, misalignment, contamination, and excessive load are common causes of bearing failure.
Reusing 6204 bearings is not recommended. Bearings should be replaced once they have been removed to ensure optimal performance and reliability.
Proper lubrication, regular maintenance, and using the correct bearing for the application can significantly extend the lifespan of 6204 bearings.
The 6204 bearing is a versatile and reliable component essential for various applications across industries. By understanding its specifications, applications, maintenance practices, and troubleshooting techniques, you can optimize bearing performance, ensure longevity, and enhance the efficiency of your equipment and systems.
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