Bearing chart
– Angular Contact Bearings: Angular contact bearings are designed to support combined radial and axial loads or pure axial loads. They have raceways in the inner and outer rings, which are displaced with respect to each other in the direction of the bearing axis. The ID range for angular contact bearings typically starts from 10 mm and can go up to 200 mm or more. The OD range varies from 30 mm for smaller bearings to 400 mm for larger ones.
– Mounted Bearings: Mounted bearings, also known as bearing units or pillow blocks, are assemblies that house bearings and provide support for rotating shafts. They come in various configurations, including ball bearings, roller bearings, and plain bearings, and are often used in industrial machinery and equipment. The ID and OD range for mounted bearings can vary widely depending on the specific type and configuration.
1. Measure Multiple Points: Bearings may not always be perfectly round or symmetrical due to manufacturing variations or wear. To account for this, measure multiple points around the bearing’s circumference or width and take the average of these measurements to ensure accuracy.
2. Use Proper Measuring Tools: Ensure you use appropriate measuring tools for the job, such as calipers, micrometers, or dial indicators. Choose tools that provide the necessary precision and accuracy for the size of the bearing you’re measuring. Avoid using worn or damaged measuring instruments that could compromise the accuracy of your measurements.
3. Seek Professional Assistance if Needed: If you encounter difficulties or uncertainties during the measurement process, don’t hesitate to seek assistance from bearing manufacturers, distributors, or experienced engineers. They can provide guidance on proper measurement techniques, interpretation of measurements, and selection of suitable bearings for your application.
4. Consider Bearing Fit: When measuring bearings for replacement, it’s essential to consider the fit between the bearing and its housing or shaft. Measure the dimensions of the housing or shaft to ensure compatibility with the bearing’s size and fit tolerance. Refer to bearing fit charts or engineering standards to determine the appropriate fit for your application.
5. Consider Environmental Factors: Take into account any environmental factors that may affect the bearing’s performance or dimensions. For example, temperature variations can cause thermal expansion or contraction, which may impact the bearing’s size. Measure the bearing under normal operating conditions if possible, or account for any expected changes in dimension due to environmental factors.
6. Maintain Measurement Records: Keep records of your bearing measurements for future reference, maintenance, or troubleshooting purposes. Having a comprehensive database of bearing dimensions and specifications can streamline the process of selecting replacements and ensuring proper fit and performance in the long run.
– Axial Bearings: Axial bearings, also known as thrust bearings, are designed to support axial loads acting in the direction of the bearing axis. They come in various configurations, including ball thrust bearings, roller thrust bearings, and thrust washers, and are commonly used in applications such as automotive transmissions, gearboxes, and machine tools. The ID and OD range for axial bearings vary depending on the specific type and design.
– High-Speed Bearings: High-speed bearings are specifically designed to operate at elevated rotational speeds while maintaining low friction and heat generation. They are commonly used in applications such as machine tools, turbines, and aerospace equipment where high-speed operation is critical. The ID and OD range for high-speed bearings can vary depending on the specific design and application requirements, but they typically align with standard ball or roller bearing sizes.
– Integral Shaft Bearings: Integral shaft bearings, also known as integrated bearing assemblies, are pre-assembled units that combine bearings with mounting flanges, seals, and other components into a single integrated unit. They are commonly used in automotive applications, such as wheel hubs and transmission systems, where compact, ready-to-install solutions are required. The ID and OD range for integral shaft bearings depend on the specific application and design requirements.
– Hybrid Bearings: Hybrid bearings combine elements of different bearing types, such as ceramic balls or rollers with steel rings, to provide enhanced performance characteristics. They offer benefits such as increased speed capability, extended service life, and improved resistance to wear and corrosion. The ID and OD range for hybrid bearings vary depending on the specific design and materials used in their construction.
When selecting bearings for your application, consider factors such as load capacity, speed, temperature, lubrication, and environmental conditions. It’s important to choose bearings that are properly sized and designed to withstand the demands of your specific application for optimal performance and reliability.
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NSAR bearings management team of managers, engineers, and technical staff have 15 – 25 years experience. We supply customers with bearings not only produced in our own factory, but also produced in professional bearings plants designated by NSAR brand to meet customers’ different requirements, such as pillow block bearings,we have designated a factory in northern China, which has perfect testing equipment and can develop products to customer needs very rapidly. Miniature bearings are arranged in the factory in southern China, which has enjoyed a good reputation long term in producing miniature bearings.
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These are just a few examples of companies in China that manufacture deep groove ball bearings. It’s important to conduct thorough research and consider factors such as product quality, reliability, and pricing when selecting a supplier.