Radial shaft seal DBH 8142 — 230.00 x 255.00 x 10.00

DBH 8142 is a radial shaft seal reference, within Seals. Request a quote for 8142 via WhatsApp or email with the quantity you need; we respond promptly with lead time and equivalents.

The DBH 8142 radial shaft seal is a lip seal designed to close off the passage of lubricant and prevent the ingress of contaminants in equipment with a rotating shaft. Its dimensions of 230 mm shaft diameter, 255 mm housing diameter and 10 mm height place it in the large-size seal segment, common in heavy machinery, gearboxes and continuous process equipment. MR Accesorios Industriales sells this reference as part of its line of seals and radial shaft seals for industrial maintenance.

The DBH 8142 is a radial shaft seal with an Lz design, which indicates a single-lip configuration with a stainless steel spring and a metal outer case. Its standardized dimensions are 230 mm for the shaft diameter (d), 255 mm for the housing diameter (D) and 10 mm total height (h). This combination of dimensions corresponds to large-diameter shafts, where the seal must ensure sealing against oils and greases under continuous rotation conditions. The designation 8142 identifies the exact size within the DBH line.

Seals of this series are used in applications where the shaft rotates inside a fixed housing and lubricant must be retained or dust and water excluded. They are common in large gearboxes, mills, industrial mixers, process centrifugal pumps, conveyor rollers and mining or cement equipment. They also appear in older or non-serialized machines, where obtaining the exact size is key to avoiding prolonged downtime. In all cases, the seal works as a dynamic barrier between the lubricated interior and the environment.

To install a seal of this size, verify that the shaft diameter and the housing match the dimensions indicated and that there are no burrs or wear on the sealing surface. The lip must be lubricated before installation and the seal must go in perpendicular, without impacts that deform the metal case. The choice of lip material depends on the fluid and the working temperature: not all compounds resist the same chemical agents. If the shaft shows a wear groove, consider a repair sleeve or an alternative size.

If you need a seal equivalent to the DBH 8142 or a nearby size, the most practical approach is to send us the full code, the designation 8142 or the dimensions 230 x 255 x 10 mm along with a photo of the old seal. With that data we can look for alternatives in other brands or configurations that perform the same function. We can also advise you on the most suitable lip type and material according to the fluid and temperature of your equipment, without compromising sealing.

MR Accesorios Industriales sells the DBH brand within its line of seals and radial shaft seals, with more than 80 years of experience in the field. If this seal is for your machine, send us the code 8142 on WhatsApp and we will send you the quote with the available options. Our technical team can help you confirm that the size and the Lz design are the right ones for your application.