DBH 1348 radial shaft seal

DBH 1348 is a reference of radial shaft seal, within Seals. Request a quote for 1348 via WhatsApp or email with the quantity you need; we respond promptly with the quote and equivalents.

The DBH 1348 oil seal is a radial shaft seal with an A 378 design that fits housings with a 90 mm outer diameter and a 12 mm height. Its function is to retain lubricant inside the assembly and block the entry of dust, water or particles, protecting bearings, bushings and rotating shafts. It is used in gearboxes, pumps, electric motors and power transmission equipment where reliable sealing is critical to the service life of the mechanism.

This item is identified by the designation 1348 and corresponds to a radial shaft seal from the DBH line. According to the product data, the housing diameter is 90 mm and the overall height is 12.00 mm. The A 378 design defines the lip profile and the type of case. These are the dimensions you need to verify before ordering, because the fit and the sealing depend on them.

Radial shaft seals like this one are used in rotating equipment where two environments must be separated: one with oil or grease and another exposed to dirt or moisture. They appear in gearboxes, centrifugal pumps, motors, spindles and belt or chain drive systems. They are also used as closures in machine tool bearings and in continuous process equipment, where a lubricant leak or the entry of contaminants shortens bearing life.

To install a seal, the shaft and the housing must be clean, with no burrs or marks. The lip is lubricated before inserting it and it is seated with a tube of the appropriate diameter so as not to damage it. The selection depends on the rotation speed, the service temperature and the fluid to be retained. If the shaft shows wear, it is advisable to evaluate a repair sleeve or an alternative size. The A 378 design provides guidance on the type of lip and spring, but it must always be checked against the manufacturer's data sheet.

If you need an equivalent seal, the most practical thing is to send us the code 1348 together with the shaft, housing and height dimensions. With that data we can look for an alternative within the same DBH line or from other brands we sell. We can also advise you if the housing or the shaft have tolerances outside the standard, so that you choose the option that best suits your equipment.

At MR Accesorios Industriales we sell the DBH brand as part of our line of seals and oil seals. If this DBH 1348 oil seal is the one you are looking for, write to us on WhatsApp with the code and we will send you the quote. We also handle inquiries about special sizes and equivalences with other nomenclatures. We know that correct sealing is what keeps the machine running.