DBH 9903 radial shaft seal — 53.98 x 75.39 x 16.99

DBH 9903 is a reference of radial shaft seal, within Seals. Request a quote for 9903 via WhatsApp or email with the quantity you need; we respond promptly with the quote and equivalents.

The DBH 9903 radial shaft seal is a lip seal designed to retain lubricant and exclude contaminants on rotating shafts. Its dimensions —53.98 mm shaft diameter, 75.39 mm housing bore and 16.99 mm height— correspond to a specific application, so it is used as a direct replacement in equipment that requires this particular geometry. MR Accesorios Industriales carries this brand and advises you so you choose the correct seal for your equipment.

This item is a radial shaft seal from the DBH brand, identified by part number 9903. Its dimensions are 53.98 mm shaft diameter (d), 75.39 mm housing bore diameter (D) and 16.99 mm height (h). Design A 341 defines the lip and outer body configuration, intended for mounting in a cylindrical housing. It is a precision component that works in direct contact with the shaft, so its dimensions must match those of the housing and shaft exactly to prevent leaks or premature wear.

Radial shaft seals such as the DBH 9903 are used in gearboxes, pumps, electric motors, drive shafts and industrial equipment in general. Their function is twofold: to retain the oil or grease inside the mechanism and to prevent the entry of dust, water or particles that accelerate the wear of bearings and gears. In applications with rotating shafts, this type of seal is key to maintaining lubrication and extending the service life of the assembly.

To select a seal correctly, verify that the shaft, housing and height dimensions match those of the original component. Design A 341 indicates a specific geometry of the lip and the metal body, so not every seal with similar external dimensions is interchangeable. It is also important to check the condition of the shaft: a scratched or worn surface can damage the sealing lip and cause leaks. If the shaft shows wear, consider the possibility of using a repair sleeve.

If you need an equivalent seal, the most practical thing is to send us part number 9903 or the exact dimensions of your component. At MR Accesorios Industriales we can look for alternatives within the same brand or from other lines we carry, always respecting the critical dimensions. We can also advise you if you have doubts about the lip design or the type of elastomer suitable for your application.

To request a quote for the DBH 9903 seal, send us the part number on WhatsApp. At MR Accesorios Industriales we reply promptly with the options that best suit your needs.