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Cylindrical roller thrust bearing with steel washers · SKF 81240 M
Cylindrical roller thrust bearing SKF 81240 M

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Cylindrical roller thrust bearing SKF 81240 M

Manufacturer Part Number
81240 M
Brand
SKFOfficial brand
Category
Bearings
Subcategory
Cylindrical roller thrust bearings

Other brands in this family

  • FAG
  • NTN
  • TIMKEN

Ask us about alternatives. Equivalence is verified for each reference and application.

SKF

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Description

SKF 81240 M is a cylindrical roller thrust bearing reference, within Bearings. Request a quote for 81240 M via WhatsApp or email with the quantity you need; we respond promptly with lead time and equivalents.

SKF cylindrical roller thrust bearings are components designed to withstand very high axial loads in one direction. They consist of a shaft washer, a housing washer and a set of cylindrical rollers with a cage. They are used in applications where the axial load is predominant and high load capacity and rigidity are required, such as in gearboxes, machine tools and lifting equipment.

The designation of these bearings follows a clear scheme. For example, in 81136 M, the first digits indicate the cylindrical roller thrust bearing type, and the following number defines the size. The suffix M indicates that the cage is machined brass, which provides greater strength and suitability for high speeds. Other examples such as 81230 M share the same logic: the central number identifies the main dimensions, and the final letter describes construction characteristics. Knowing this nomenclature allows you to quickly interpret the basic specifications.

These bearings are used in industries such as steel, cement, mining and machine tool manufacturing. In Argentina, they are common in gear reducers, rotary tables, cranes and material handling equipment. Their ability to withstand unidirectional axial loads makes them ideal for applications where axial space is limited and high rigidity is required. They are also found in large pumps and in rolling mill spindles.

To correctly select a cylindrical roller thrust bearing, it is essential to consider the axial load, the rotation speed and the environmental conditions. Mounting requires that the washers be correctly aligned and that the roller and cage assembly be positioned between them. Proper lubrication, whether grease or oil, extends service life. It is important to verify the axial clearance and avoid misalignments that could generate additional loads. Precision in mounting ensures optimum performance.

Regarding equivalences, SKF cylindrical roller thrust bearings can be interchanged with those of other brands that follow the same dimensional designation. However, tolerances and load capacities may vary between manufacturers. Therefore, it is always advisable to verify the technical specifications and consult a specialist before replacing a bearing. MR Accesorios Industriales sells the SKF brand and can advise you on the best option for your application.

If you need an SKF cylindrical roller thrust bearing, at MR Accesorios Industriales we help you identify it. Send us the complete part number by WhatsApp and we will quote you shortly. We have more than 80 years of experience in the field and a technical team ready to assist you with selection and mounting.

This description provides guidance on the product type. Check the configuration and dimensions of this reference.

Dimensions

Dimensions and tolerances: Send us the part number via WhatsApp and we'll confirm dimensions, sealing, and internal clearance against the manufacturer's data sheet.

Frequently Asked Questions

What does the M suffix mean in an SKF cylindrical roller thrust bearing?
The M suffix indicates that the bearing cage is machined brass. This type of cage offers greater strength and is suitable for applications with high speeds and loads. It is a construction characteristic that influences the performance and durability of the bearing.
Where are cylindrical roller thrust bearings used?
They are used in applications with high axial loads, such as gear reducers, machine tools, cranes, large pumps and steel industry equipment. They are common in industries that require high load capacity and rigidity in reduced spaces.
How is a cylindrical roller thrust bearing mounted?
Mounting requires correctly aligning the shaft and housing washers, and placing the roller and cage assembly between them. It is important to lubricate properly and verify the axial clearance. Avoid misalignments to prevent additional loads and ensure optimum operation.
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