Radial shaft seal DBH 5086 — 20.00 x 40.00 x 7.90

DBH 5086 is a radial shaft seal reference, within Seals. Request a quote for 5086 via WhatsApp or email with the quantity you need; we respond promptly with lead time and equivalents.

The DBH 5086 radial shaft seal is a lip seal designed for rotating shafts with a 20 mm diameter, a 40 mm housing and a 7.90 mm height. Its function is to retain lubricant inside the assembly and prevent the ingress of dust, water or particles, protecting bearings and bushings. It is a wear part that is replaced during scheduled maintenance or when a leak appears. MR Accesorios Industriales carries this brand as part of its seals and oil seals line.

This item is an oil seal from the DBH line, identified by part number 5086. Its dimensions are shaft (d) 20 mm, housing (D) 40 mm and height (h) 7.90 mm. The Lx design corresponds to a single-lip configuration with a spring, suitable for rotating shafts. The sealing lip works on the shaft surface, while the outer diameter is press-fitted into the housing. The reduced height of 7.90 mm allows it to be mounted in tight axial spaces without losing sealing effectiveness.

It is used in gearboxes, pumps, electric motors, transmission shafts and process equipment where oil or grease must be contained. It also appears in applications exposed to dust or splashes, where the seal acts as a barrier. It is commonly found in industrial machines, conveying equipment and transmission systems operating with continuous rotation. Its compact size makes it suitable for assemblies where radial and axial space is limited.

To select an oil seal, you must verify the shaft diameter, housing diameter and available height. The shaft surface must be ground and free of grooves or burrs; it is advisable to lubricate the lip before mounting and use a tool that prevents damaging it. Concentricity between shaft and housing and adequate peripheral speed influence service life. If the shaft shows wear, consider a nearby size or a repair sleeve.

If you need an equivalent or a different size, send us part number 5086 along with the shaft, housing and height dimensions. The number engraved on the old seal or a photo of the part also works. With that data we can look for an alternative within the same line or suggest a nearby size. MR Accesorios Industriales can advise you based on the application.

To request a quote for this DBH 5086 oil seal, message us on WhatsApp and send us the part number and quantity. If you have doubts about the size, attach a photo or the housing dimensions. Our technical team reviews every inquiry and replies with the options. MR Accesorios Industriales, since 1945, supports industry with transmission and sealing components.