Radial shaft seal DBH 5557Sil — 42.00 x 56.00 x 7.00

DBH 5557Sil is a radial shaft seal reference, within Seals. Request a quote for 5557Sil via WhatsApp or email with the quantity you need; we respond promptly with lead time and equivalents.

The DBH 5557Sil radial shaft seal is a lip seal designed for rotating shafts. Its function is to retain lubricant inside the housing and prevent contaminants such as dust, water or particles from entering. With dimensions of 42 mm shaft diameter, 56 mm housing bore and 7 mm height, and an Lz Sil design, it is a common replacement part in industrial equipment. MR Accesorios Industriales supplies this brand and advises you so you choose the right seal.

This item is a DBH radial shaft seal, identified by part number 5557Sil. According to the product page data, it is intended for a 42 mm shaft diameter, a 56 mm housing bore and a total height of 7.00 mm. The Lz Sil design corresponds to a configuration with a sealing lip and a specific geometry that allows it to adapt to rotating shafts. It is a precision part that works in direct contact with the shaft and the housing, so its dimensions must match those of the equipment exactly.

Radial shaft seals such as the 5557Sil are used in gearboxes, pumps, electric motors, conveyor rollers and a wide variety of equipment with rotating shafts. Their purpose is twofold: to retain the oil or grease inside the assembly and to block the entry of dirt or moisture from the outside. In environments with dust, chips or coolants, a seal in good condition extends bearing life and prevents unscheduled downtime.

To install a seal, check that the shaft has no burrs or wear and that the housing is clean and free of dents. It is recommended to lubricate the lip before inserting it and to use an installation tool that presses on the outer edge, never on the lip. The selection depends on rotation speed, working temperature and the type of fluid to be retained. If the shaft shows a marked groove, it is sometimes advisable to shift the seal position slightly or consider a wear sleeve.

If you need a seal equivalent to the 5557Sil or a nearby size, the most practical approach is to send us the original part number, a photo of the part and the measurements taken with a caliper. With that data we can look for alternatives within the same brand or other lines we supply. We can also advise you if the Lz Sil design is not available and a variant with similar characteristics needs to be evaluated.

To request a quote for the DBH 5557Sil oil seal, write to us on WhatsApp and send us part number 5557Sil along with the quantity you need. At MR Accesorios Industriales we reply with the technical and commercial information so you can move forward with your maintenance.