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DBH type Mx radial shaft seal, double lip with one spring, in section · DBH 9993
Radial shaft seal DBH 9993 — 20.00 x 30.00 x 7.00

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Radial shaft seal DBH 9993 — 20.00 x 30.00 x 7.00

Manufacturer Part Number
9993
Brand
DBHOfficial brand
Category
Seals
Subcategory
Radial shaft seals

DBH

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Description

DBH 9993 is a radial shaft seal reference, within Seals. Request a quote for 9993 via WhatsApp or email with the quantity you need; we respond promptly with lead time and equivalents.

The DBH 9993 radial shaft seal is a lip seal that is mounted in the housing and seals against the rotating shaft to retain lubricant and block the entry of dust, water or particles. With 20 mm shaft, 30 mm housing and 7 mm height, it is a compact size that is widely used in low and medium power equipment. MR Accesorios Industriales carries this brand and advises you so that you choose the right seal for your application.

This item is a radial shaft seal from the DBH line, identified with the code 9993. Its dimensions are 20.00 mm shaft diameter (d), 30.00 mm housing diameter (D) and 7.00 mm height (h). The Mx design corresponds to the standard single lip configuration with spring, intended for rotating shafts with lubrication. The elastomeric lip works on the shaft and the metal case remains fixed in the housing, sealing by interference.

Typical applications of a seal of this size include small gearboxes, electric motors, centrifugal pumps, compressors, fans and power transmission equipment. It is also used in machine tools, washing equipment and conveyor systems where bearings or bushings must be protected from the entry of contaminants. Because of its compact size, it is common in equipment where radial space is limited and reliable sealing is needed.

To install it, check that the shaft is clean, free of burrs or marks, and that the sealing surface has the appropriate hardness and roughness. Lubricate the lip before inserting it and place the seal with an installation tube that presses on the case, never on the lip. If the shaft shows wear, consider a nearby size or a seal with an auxiliary lip. The selection depends on the speed, temperature and type of lubricant of the equipment.

If you need an equivalent or a close size, send us the code 9993 or the dimensions of your current seal (shaft diameter, housing and height) by WhatsApp. We can also check whether there is an alternative in another brand or with a different design that better suits your application. We work with in-house manufacturing and will reply with a tailored quote.

At MR Accesorios Industriales we have more than 80 years supporting Argentine industry with bearings, seals, transmission and lubrication. If this DBH 9993 oil seal is the one you are looking for, write to us by WhatsApp and we will send you the quote. If you have questions about the size or the type of lip, our technical team helps you define the best option for your equipment.

Dimensions

Shaft (d)
20mm
Housing bore (D)
30mm
Height (h)
7.00mm
Design
Mx

Frequently Asked Questions

How do I know if this oil seal replaces the one I have installed?
Compare the three dimensions: shaft diameter, housing diameter and height. If they match 20, 30 and 7 mm, the replacement is direct. If any differs, ask us about a nearby size or an equivalent. Also take into account the type of lip and the material, according to the temperature and lubricant of your equipment.
What does the Mx design mean in an oil seal?
The Mx design is a standard radial shaft seal configuration with an elastomeric lip and spring, suitable for rotating shafts with lubrication. It seals against the shaft and retains the lubricant, while preventing the entry of contaminants. It is the most common design in general industrial applications.
What are the dimensions of the DBH 9993 oil seal?
The DBH 9993 oil seal has 20.00 mm shaft diameter, 30.00 mm housing diameter and 7.00 mm height. It is a radial shaft seal of Mx design, with a single lip and spring. These are the dimensions listed on the manufacturer's product page and they correspond to the code 9993.
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