Bearings Manufacturing Pillow block bearings

With over two decades of exporting experience, we take immense pride in our role as a specialized manufacturer of mounted insert bearings. In this blog, we will guide you through the intricate process of creating these bearings, beginning with the heat treatment of outer and inner rings for hardness improvement, machining (turning and grinding), localized annealing of inner rings, drilling and threading in the inner ring, automatic assembly, lubrication, and sealing.

Step 1: Heat Treatment of Outer and Inner Rings for Hardness Improvement The journey of crafting spherical plain bearings commences with the heat treatment of the outer and inner rings. This process is essential to enhance their hardness, making them capable of withstanding the tremendous loads they will encounter in various applications.

Step 2: Machining (Turning and Grinding) The next step involves precision machining, which includes turning and grinding. These processes ensure that the outer and inner rings are perfectly circular and have the required surface finish. It’s crucial to achieve the exact specifications for optimal bearing performance.

Step 3: Localized Annealing of Inner Rings To maintain the desired properties in specific areas of the inner ring, localized annealing is performed. This step ensures that the inner ring has the necessary strength and toughness precisely where it’s needed.

Step 4: Drilling and Threading in the Inner Ring Drilling and threading are carried out on the inner ring to create the necessary features for mounting the bearing. This is where the bearing will be secured in place for its intended application.

Step 5: Automatic Assembly Automatic assembly is a critical step in the production process. It requires precision machinery and skilled operators who meticulously place the steel balls between the inner and outer rings. The number of steel balls and their even distribution are essential factors that determine the bearing’s load-carrying capacity and overall performance.

Step 6: Lubrication Proper lubrication is crucial to reduce friction, dissipate heat, and extend the bearing’s service life. Depending on the application and customer requirements, insert bearings can be lubricated with grease, oil, or other specialized lubricants. The lubrication process is executed with precision to ensure uniform coverage and optimal performance.

Step 7: Sealing To protect the internal components from contaminants and maintain the lubrication, insert bearings are equipped with effective seals. Seals come in various designs, such as rubber seals, metal shields, or combination seals, depending on the application’s demands. The sealing process ensures that the bearing remains reliable in harsh environments.

Conclusion: As a seasoned manufacturer with over two decades of experience, we take immense pride in the craftsmanship and precision that go into producing insert bearings. From the initial heat treatment of the outer and inner rings to the intricate machining, localized annealing, drilling and threading, automatic assembly, lubrication, and sealing processes, each step is vital to ensuring the reliability and performance of our bearings. If you’re seeking high-quality spherical plain bearings for your applications, you can trust our expertise and commitment to excellence.


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