DBH 1289 radial shaft seal — 90 x 140 x 12

DBH 1289 is a reference of radial shaft seal, within Seals. Request a quote for 1289 via WhatsApp or email with the quantity you need; we respond promptly with the quote and equivalents.

The DBH 1289 radial shaft seal is a single-lip radial seal designed for rotating shafts with a 90 mm diameter. Its function is to retain lubricant inside the housing and prevent the entry of dust, water or particles that could damage bearings and bushings. It is press-fitted into the housing and runs in direct contact with the shaft, creating a reliable dynamic barrier in industrial equipment.

This DBH 1289 seal has a 90 mm shaft diameter, a 140 mm housing diameter and a 12 mm height. Its Lx design corresponds to a single sealing lip with a spring, intended for applications where the shaft rotates and the fluid to be retained is oil or grease. The 1289 designation identifies the exact size within the DBH line, and its construction combines a resistant elastomer with a metal case that gives it rigidity and ensures the fit in the housing.

It is used in gearboxes, pumps, electric motors, transmission shafts and continuous process equipment. It is commonly found in the food, chemical and cement industries and in water treatment plants, where protection against external contamination is critical to bearing service life. It is also used in agricultural machinery and road equipment operating in dusty environments.

To select it correctly, verify that the shaft diameter, housing diameter and height match the mounting dimensions. The shaft surface must be ground and free of burrs; a rough finish accelerates lip wear. During installation, lubricate the lip with the same oil or grease used in the equipment and use a support tube so as not to damage it. If the shaft shows a groove or wear, consider a seal with an auxiliary lip.

If you need an equivalent, send us the code 1289 or the dimensions of your shaft and housing. At MR Accesorios Industriales we can guide you to find the option that best suits your equipment. We also work with other brands and seal configurations to cover special requirements.

To request a quote for the DBH 1289 seal, write to us on WhatsApp and send us the code or the dimensions. We will reply with the alternatives we have for your application.