The SKF 21310 E/C3 bearing is a spherical roller bearing designed to support radial and light axial loads. This type of bearing is particularly suitable for industrial applications requiring resistance to vibration and combined loads. Its construction and features make it ideal for machinery and equipment operating under harsh conditions, such as those in the metallurgical, mining, and heavy machinery manufacturing industries.
Bearing type : Spherical roller, a type of bearing that can accommodate radial and axial loads in both directions.
Dimensions:
Basic dynamic load (C) : 90 kN
Basic static load (C0) : 56 kN
Internal Clearance (C3) : The bearing has increased internal clearance (C3), which allows for compensation for thermal expansion or other effects during operation. This clearance helps ensure that the bearing functions properly even under high loads or high temperatures.
Maximum rotation speed : Up to 2800 rpm (depending on load, lubrication, and application conditions). This is an indicative value and may vary depending on the operating environment.
Cage material : Steel or polymer cage (depending on the specific application). Cages are designed to reduce friction and ensure quiet, vibration-free operation.
Lubrication : The SKF 21310 E/C3 bearing is normally supplied without lubrication, so it is necessary to add the appropriate lubricant (oil or grease) according to the application specifications.
Seals : Unsealed (open). This open design is particularly useful for applications where continuous lubrication is required and protection against the ingress of dust or foreign matter is not a priority.
Materials:
Operating temperature : The bearing is designed to operate in a temperature range of -30°C to +120°C , although in special situations it can be resistant to higher temperatures, with the aid of correct lubrication.
SKF is a world leader in bearings, lubrication solutions, and mechanical motion technologies. Founded in 1907 in Sweden, SKF has a long history of innovation and quality in bearing technology. With a global presence and industrial footprint in the major automotive, aerospace, railway, energy, and mining industries, SKF stands out for the reliability, durability, and performance of its products.
SKF's mission is to improve its customers' performance by reducing the risk of mechanical failures and optimizing operational efficiency through innovation. Today, SKF offers a wide range of bearings for every type of application, ensuring precision, durability, and high performance.
For more information about the SKF 21310 E/C3 bearing , you can visit the company's official website: SKF Official Website
The SKF 21310 E/C3 bearing is ideal for a wide range of industrial applications, including:
The SKF 21310 E/C3 bearing must be installed with care to avoid damage and ensure proper operation. Here are the main steps:
Housing and Shaft Preparation : Thoroughly clean the housing and shaft of any dust, rust, or other contaminants. The housing must be free of defects and must have the correct tolerances.
Lubrication : Apply the lubricant required for bearing operation (oil or grease). The type of lubricant depends on the application's specifics.
Bearing placement : Carefully place the bearing into the housing, without forcing the components. Installation must be done so that the bearing fits properly.
Checking the internal clearance : Check that the bearing has the correct internal clearance, especially if using a C3 type, to avoid problems due to thermal expansion.
Checking for Functionality : Once assembled, check the bearing for proper operation by rotating the shaft by hand to ensure there are no vibrations, strange sounds, or excessive resistance.
Immediate availability : Buying an SKF bearing from stock allows you to avoid waiting times for your order, reducing machine downtime and ensuring rapid replacement in the event of a fault.
Reduced maintenance costs : Having a bearing on hand helps reduce downtime costs, improving productivity and reducing economic losses.
Reliability and durability : SKF is a trusted brand that produces high-performance bearings, reducing the risk of breakages and sudden failures.
Safety : A quality SKF bearing ensures that your application operates safely, avoiding risks related to malfunctions or sudden failures.
Competitive prices : Buying in stock can have economic advantages, especially for large quantity orders, allowing for better value for money.
The sizing of a bearing such as the SKF 21310 E/C3 depends on the applied loads and rotational speeds. The basic formula for calculating bearing life (in millions of revolutions) is:
L10=(CF)3L_{10} = \left( \frac{C}{F} \right)^3
Where:
To determine the correct size, it's also important to know the type of application, rotational speed, operating conditions, and temperature. Choosing the right lubrication and housing is crucial to keeping the bearing in top condition.
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