Radial shaft seal DBH 1174

DBH 1174 is a radial shaft seal reference, within Seals. Request a quote for 1174 via WhatsApp or email with the quantity you need; we respond promptly with lead time and equivalents.

The DBH 1174 seal is a lip-type radial shaft seal designed to close off the passage of oil, grease or water at the point where a shaft passes through a housing. Its function is to retain the lubricant inside the assembly and stop dust, chips or moisture from entering from the outside. It is used in gearboxes, pumps, electric motors and power transmission equipment, where the seal runs on the shaft and is seated in a machined bore.

This item is a radial shaft seal from the DBH line, identified with part number 1174 and design A 378. The product page data indicates a housing bore of 28.00 mm in diameter and a total height of 7.00 mm. The A 378 design corresponds to a seal with a metal case and elastomeric lip, suitable for rotating shafts with lubrication.

Typical applications for a seal of this size are in low and medium power equipment: gearboxes, centrifugal pumps, electric motors, rollers and transmission shafts. It also appears in machine tools and process equipment where an oil bath must be separated from an environment with dust or water. In all cases it runs on a rotating shaft and against a machined housing, and its service life depends both on the condition of the shaft and on the cleanliness of the assembly.

To select and install a radial shaft seal, three things must be verified: shaft diameter, housing bore diameter and height. The lip must run on a smooth surface, free of splines or burrs, and the housing must be clean and free of edges that could damage the case. It is recommended to lubricate the lip before inserting it, use an installation tube or sleeve that pushes evenly, and avoid striking the seal with a hammer. If the shaft shows wear, a new seal will not correct the leakage: a repair sleeve should be evaluated.

If you need an equivalent or a nearby size for the 1174, the most practical approach is to send the complete part number along with the measurements taken from the shaft, housing and height. With that data, an alternative from the same category or a combination of seal and sleeve that solves the installation can be found. Sending a photo of the old part and the housing also helps, especially when the seal came out deformed or the shaft is marked.

At MR Accesorios Industriales we carry the DBH brand within our line of seals and radial shaft seals. If you want to move forward with this item, send part number 1174 via WhatsApp and we will send you the quote with the confirmed size. If the seal goes inside a larger assembly, take the opportunity to ask about bearings, bushings or lubricants for the same equipment and we will put together the complete order.