DBH 6121Vit radial shaft seal — 30 x 52 x 7

DBH 6121Vit is a reference of radial shaft seal, within Seals. Request a quote for 6121Vit via WhatsApp or email with the quantity you need; we respond promptly with the quote and equivalents.

The DBH 6121Vit radial shaft seal is a lip seal designed for rotating shafts. Its function is to retain lubricant inside the housing and prevent the entry of dust, water or contaminating particles. With dimensions of 30 mm shaft, 52 mm housing and 7 mm height, and an Mx-R design, it is a common replacement part in pumps, electric motors, gearboxes and transmission equipment. MR Accesorios Industriales carries this brand and advises you so you choose the right seal for your application.

This item is a radial shaft seal from the DBH line, identified with the designation 6121Vit. Its dimensions are: shaft diameter 30 mm, housing diameter 52 mm and height 7.00 mm. The Mx-R design corresponds to a configuration with a sealing lip and metal body, suitable for rotating shafts with lubrication. The lip elastomer is formulated to resist industrial oils and greases, and the internal spring maintains contact pressure on the shaft. It is a wear part that is replaced during preventive maintenance or when a leak appears.

Typical applications for this seal include centrifugal pumps, electric motors, speed reducers, gearboxes, compressors and belt- or chain-driven transmission equipment. In all these cases, the seal performs the dual function of retaining lubricant and excluding external contaminants. It is also used in machine tools, industrial washing equipment and hydraulic systems where the shaft rotates inside a fixed housing. Its compact size makes it suitable for tight spaces.

To install a radial shaft seal correctly, check that the shaft has no burrs or marks that could damage the lip. Lubricate the lip with the same service oil or grease before inserting it. The seal must sit perpendicular to the shaft and fully seated in the housing, without hitting it directly. If the shaft shows wear, consider a repair sleeve. Selection depends on speed, temperature and type of lubricant; these data are confirmed against the manufacturer's data sheet for each application.

If you need an equivalent seal, the most practical thing is to send us the code 6121Vit or the current dimensions (shaft, housing and height). With that data we can look for alternatives in the same brand or in other lines we carry. We can also advise you if the space allows a seal of greater or lesser height, or if a design with an additional lip is better for greater protection against dust. The idea is that you don't end up with equipment down for a part that can be sourced.

To request a quote for the DBH 6121Vit seal, send us the code on WhatsApp at MR Accesorios Industriales. We will reply with replacement options. We work with brands, and we have experience in the field to help you solve the application. Don't hesitate to write to us: the more data you give us, the more accurate the answer will be.