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Two-piece labyrinth seal for split plummer block housing · SKF TSN 520 SA
Seal SKF TSN 520 SA

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Seal SKF TSN 520 SA

Manufacturer Part Number
TSN 520 SA
Brand
SKFOfficial brand
Category
Bearing housings
Subcategory
Housing covers and accessories

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

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Description

SKF TSN 520 SA is a seal reference, within Bearing housings. Request a quote for TSN 520 SA via WhatsApp or email with the quantity you need; we respond promptly with lead time and equivalents.

TSN SA end covers are closure components for split bearing housings, manufactured by SKF. They are fitted at the ends of the housing to retain lubricant, keep out contaminants and protect the bearing. MR Accesorios Industriales carries this line as part of its catalog of housings and accessories, with more than 80 years of experience in the Argentine industrial market. If you need to identify the right cover for your housing, send us the part number on WhatsApp and we will advise you.

The designation TSN … SA is read as follows: the letters TSN identify the category of covers for split housings; the number that follows (for example, in TSN 511 SA, TSN 520 SA or TSN 613 SA) is related to the size of the housing for which it was designed; and the suffix SA indicates a construction variant within the series. As you can see in the examples, the number changes according to the housing: it is not a universal code, but must be cross-referenced with the housing you have installed.

These covers are used in equipment with split housings: belt conveyors, bucket elevators, mills, mixers, centrifugal pumps and process machinery in general. In Argentina we find them in food, cement, mining and paper plants and in the agro-industrial sector. Their function is to seal the bearing seat at the ends of the housing, extending the service life of the assembly and reducing maintenance downtime.

To choose the right cover, take into account the type of sealing the equipment needs: an environment with abrasive dust is not the same as one with humidity or frequent washdowns. Also check the alignment between the cover and the shaft, and that the housing is compatible with the TSN SA series. Bearing lubrication and the condition of the sealing surface are key factors for the cover to do its job. If in doubt, consult us with the housing part number.

SKF TSN SA end covers may have equivalents in products from other brands that manufacture split housings, but there is no universal replacement table: interchangeability depends on the housing dimensions and the type of fastening. Therefore, it is always advisable to validate compatibility with the existing housing before replacing. At MR Accesorios Industriales we help you find the cover that best suits your equipment, without compromising performance.

If you already have the cover or housing part number, send it to us on WhatsApp along with a photo of the assembly and we will quote you. At MR Accesorios Industriales we work with SKF and other brands so that you find the right part. Do not hesitate to contact us: our technical team is here to advise you on 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

How do I know which TSN SA cover corresponds to my housing?
You need to cross-reference the housing part number with the cover. The number in the TSN SA designation (for example, 511, 520) is linked to the housing size. Send us the housing part number on WhatsApp and we will tell you the compatible cover.
Are TSN SA covers suitable for environments with a lot of dust?
It depends on the type of sealing. The TSN SA series includes variants with different protections. For environments with abrasive dust or humidity, it is important to select the cover with the appropriate sealing. Consult us and we will advise you according to your application.
Can I replace a TSN SA cover with one from another brand?
There is no universal equivalence. Interchangeability depends on the housing dimensions and the fastening system. Always validate compatibility with the housing before replacing. At MR we help you verify the correct option.
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