Radial shaft seal DBH 8990 — 85.00 x 130.00 x 12.00

DBH 8990 is a radial shaft seal reference, within Seals. Request a quote for 8990 via WhatsApp or email with the quantity you need; we respond promptly with lead time and equivalents.

The DBH 8990 radial shaft seal is a lip seal that is mounted on the shaft and closes against the housing to retain lubricant and stop the entry of dust, water or chips. With 85 mm shaft, 130 mm housing and 12 mm height, it is a commonly used size in industrial equipment. It is press-fitted into the cavity and works in direct contact with the rotating shaft. MR Accesorios Industriales carries it as part of its seal line.

The DBH 8990 is an Lx design seal, with a sealing lip and metal body. Its dimensions are 85 mm shaft diameter, 130 mm housing diameter and 12.00 mm height. The Lx design corresponds to a seal with a single lip and spring, suitable for lubricated rotating shafts. The 8990 nomenclature identifies the exact size within the DBH line. Before installing it, verify that the shaft and housing are clean, with no burrs or marks that could damage the lip.

This type of seal is used in gearboxes, pumps, electric motors, rollers and transmission equipment. Its function is twofold: it prevents oil or grease from escaping the cavity and blocks the passage of external contaminants. In dusty or humid environments, the lip works on the shaft and maintains sealing while the equipment is running. It is also found in agricultural machinery and in process lines where there are shafts rotating at moderate speed.

To select a seal, the three dimensions must be respected: shaft, housing and height. If the housing has a shoulder or a different seat, a nearby size may be required. Shaft speed, temperature and the type of lubricant influence the service life of the lip. During installation, lubricate the lip with the same oil used in the equipment and use a tube or driver that presses on the metal body, never on the lip. Tap evenly until the seal seats at the bottom of the housing.

If you cannot find the exact size or need an alternative, send us the code 8990 or the dimensions of the old seal. At MR Accesorios Industriales we can look for an equivalent within the DBH line or from other brands we carry. We can also offer you a nearby size if the housing allows it. For that, it is best to send us the shaft diameter, the housing diameter and the height, as well as the type of lubricant and the working conditions.

MR Accesorios Industriales carries the DBH brand as part of its line of seals and oil seals. If you need a quote for the DBH 8990 or want to ask about another size, write to us on WhatsApp with the code and we will reply with the alternative that best fits. You can also ask us about seals from other series or about special seals.