FOR SALE SKF NU 2248 MA/C3 BEARING STILL IN BOX

7000 euros

The SKF NU 2248 MA/C3 bearing is a monorow cylindrical roller bearing, designed for applications requiring high performance and resistance to high radial forces. This bearing features a solid inner and outer ring, with cylindrical rollers arranged in a cage that prevents contact between the rollers themselves, thus allowing higher speeds than cageless cylindrical roller bearings. The MA design, with a brass cage, is centered on the outer ring for maximum durability and reliability.

Main technical data:

• Internal diameter (d): 240 mm
• External diameter (D): 440 mm
• Width (B): 120mm
• Weight: 85.4kg
• Cage type: Brass cage (centered on outer ring)
• Closure: Without seal
• Internal clearance: C3 (radial clearance greater than normal)
• Accuracy: Standard
• Thermal stabilization: Not thermally stabilized (max 120°C)​
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Features and Benefits:

The SKF NU 2248 MA/C3 bearing is designed to withstand high radial forces, and is particularly resistant to wear. Its brass cage ensures smoother operation, reducing friction and increasing operational life. Being a monorow bearing, it is ideal for applications that require support of radial loads but do not absorb axial forces in both directions, unless combined with HJ support rings. Thanks to its construction, it can be easily dismantled, facilitating maintenance and installation operations.

Sectors of use:

This bearing is commonly used in high-speed industrial applications such as:

• Speed ​​reducers
• Agricultural machinery
• Pumps
• Compressors
• Electric motors​
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How to assemble it:

The assembly of this bearing must be done carefully, following the specific instructions to avoid damage to the rings and rollers. It is essential that the bearing is positioned correctly in the housing, without any deformation, to ensure optimal operation. Furthermore, since it does not have seals, it is important to ensure that the operating environment is not too dusty or contaminated with other impurities.

Maintenance:

Maintenance of an SKF NU 2248 MA/C3 bearing includes regularly checking the internal clearance and the condition of the brass cage. Since the bearing has no seals, it is essential to ensure that the environment in which it operates is free of dust or other abrasive particles. It is advisable to periodically check the lubrication conditions and replace the lubricant when necessary to avoid premature wear.

Why buy it used:

Buying a used SKF NU 2248 MA/C3 bearing, but in good condition, is an advantageous choice for those looking to contain costs, without compromising quality and reliability. SKF is a brand renowned for producing high-quality bearings, and purchasing a second-hand bearing allows you to get a high-performance product at a more affordable price, without having to invest in purchasing a new bearing at full price.

How to size it:

To correctly size the bearing, it is necessary to calculate the radial forces to which it will be subjected during its working cycle. The main variables to consider include:

1. Maximum Radial Load : Determined by machine and application.
2. Angular speed : which must be within the operating speed limits of the bearing (in this case, up to high speeds, but still within the limits of the design).
3. Operating temperature : which must not exceed 120°C.

Useful links:

For further technical details, you can consult the official SKF website where detailed product information, assembly and maintenance specifications, and other resources for industrial applications are provided. Visit the SKF NU 2248 MA/C3 to find out more.

Conclusion:

The SKF NU 2248 MA/C3 bearing is an excellent choice for those looking for a robust and reliable bearing for industrial applications requiring high performance. Its well-studied design, the quality of the materials and the long operating life make it ideal for sectors such as automation, the production of industrial machinery, and in general where high resistance to radial load is required. Buying a used SKF NU 2248 MA/C3 bearing, but still in excellent condition, is a great way to save without compromising quality.