Radial shaft seal DBH 6742Sil — 17.00 x 40.00 x 8.50

DBH 6742Sil is a radial shaft seal reference, within Seals. Request a quote for 6742Sil via WhatsApp or email with the quantity you need; we respond promptly with lead time and equivalents.

The DBH 6742Sil radial shaft seal is a lip seal that mounts on a 17 mm shaft and closes against a 40 mm housing, with a height of 8.50 mm. Its function is to retain lubricant inside the assembly and block the entry of dust, water or particles that accelerate wear on bearings and bushings. It is a common replacement part in rotating equipment, and at MR Accesorios Industriales we quote it according to the exact size you need.

This item is a seal with an Lx design, with the following dimensions: shaft diameter (d) of 17 mm, housing diameter (D) of 40 mm and height (h) of 8.50 mm. The Lx design corresponds to a single-lip seal with a metal case and sealing lip, intended for lubricated rotating shafts. The 6742Sil nomenclature identifies the size within the DBH line, and the Sil suffix is usually associated with a specific sealing compound that should be confirmed against the manufacturer's data sheet before purchasing.

Typical applications for a seal of this size appear in gearboxes, electric motors, centrifugal pumps, transmission shafts and power transmission equipment in general. It is also used in agricultural machinery, conveyors and process equipment where there is a shaft rotating inside a housing and oil or grease needs to be separated from the environment. In all these cases, the seal works as a dynamic barrier and its service life depends on the surface condition of the shaft and correct lubrication of the lip.

To install a radial shaft seal, check that the shaft has no burrs, scratches or wear in the contact area, and that the housing is clean and free of deformation. The lip is lubricated before inserting it, and the part is seated perpendicular to the shaft to avoid damaging the sealing edge. If the shaft shows a deep groove, it is sometimes advisable to slightly shift the seal position or consider a repair sleeve. Selection also depends on speed, temperature and the fluid to be retained, data that is not included in this record and should be checked against the technical data sheet.

If you need a nearby size, an equivalent from another brand or a seal with a different lip compound, send us code 6742Sil or the dimensions 17 x 40 x 8.50 mm on WhatsApp. At MR Accesorios Industriales we cross-reference the designation with the catalog and offer compatible alternatives when the exact size is not in the catalog. We can also advise you if the original seal has no visible brand or if you only have the dimensions measured with a caliper.

MR Accesorios Industriales carries the DBH brand as part of its line of seals and oil seals, along with bearings, housings, power transmission and lubricants. To move forward with the quote, send code 6742Sil or the dimensions on WhatsApp and we will reply with the quote and equivalent options. If you have questions about installation or design, the technical team can guide you before you place your order.