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DBH type Lx radial shaft seal, double lip with one spring, in section · DBH 8349/85
DBH 8349/85 radial shaft seal — 25 x 41 x 8

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DBH 8349/85 radial shaft seal — 25 x 41 x 8

Manufacturer Part Number8349/85
Brand
DBH
Category
Seals
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Since 1945 · Martínez, Buenos Aires, Argentina

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Description

DBH 8349/85 is a reference of radial shaft seal, within Seals. Request a quote for 8349/85 via WhatsApp or email with the quantity you need; we respond promptly with the quote and equivalents.

The DBH 8349/85 radial shaft seal is a lip seal that closes off the passage of oil or grease between a rotating shaft and its housing. With a 25.00 mm shaft, a 41.00 mm housing bore and an 8.00 mm height, and Lx design, it is press-fitted into the cavity and runs on the shaft with the lip in contact. It is used in gearboxes, pumps, electric motors and power transmission equipment to retain lubricant and stop the entry of dust and water.

This item is a DBH 8349/85 radial shaft seal, identified by its 8349/85 designation. Its dimensions are 25.00 mm shaft diameter, 41.00 mm housing bore diameter and 8.00 mm height, with Lx design. The Lx design corresponds to a single-lip seal with a spring, intended for rotating shafts with lubrication. The sealing lip runs on the shaft and the outer case fits into the housing. DBH is a brand that MR carries.

Typical applications for a seal of these dimensions are found in gearboxes, centrifugal pumps, electric motors, rollers and power transmission equipment. It is also found in machine tools, compressors and systems where oil must be separated from the environment. In all cases it performs two functions: retaining lubricant inside the assembly and preventing contaminants such as dust, chips or water from entering through the shaft area.

To install it, check that the shaft diameter and the housing bore diameter match the indicated 25.00 mm and 41.00 mm, and that the cavity width accommodates the 8.00 mm height. Check that the shaft has no burrs or wear on the sealing track, and lubricate the lip before inserting it. The seal is fitted with the lip facing the side of the fluid to be retained. If the shaft shows a marked groove, consider a wear sleeve or a seal with the lip in a different position.

To quote an equivalent, send us the code 8349/85 along with the shaft, housing bore and height dimensions, and the type of fluid and working temperature. With that data we look for alternatives within the DBH line or from other brands we carry. The more complete the equipment information, the faster we can confirm the option that best suits your assembly.

To request a quote for the DBH 8349/85 radial shaft seal or ask about another size, write to us on WhatsApp at MR Accesorios Industriales with the code and the dimensions. We will reply with the corresponding alternative. We can also advise you on installation and shaft care so that the seal works under good conditions.

Dimensions

Shaft (d)
25mm
Housing bore (D)
41mm
Height (h)
8.00mm
Design
Lx

Frequently Asked Questions

What are the dimensions of the DBH 8349/85 radial shaft seal?
The DBH 8349/85 radial shaft seal has a 25.00 mm shaft diameter, a 41.00 mm housing bore diameter and an 8.00 mm height, with Lx design. These values come from the item's designation and are the ones you need to compare with your shaft and cavity before installing it.
How do I request an equivalent?
Send the code 8349/85 on WhatsApp along with your shaft, housing bore and height dimensions. With that data we look for an alternative within the DBH line or from other brands we carry. If you can, add the type of fluid and the working temperature.
What should I check before installing a radial shaft seal?
Check that the shaft has no burrs or wear in the sealing area, that the dimensions match those of the seal and that the cavity is clean. Lubricate the lip before fitting it and orient it toward the side of the fluid to be retained. A damaged shaft accelerates loss of sealing.
Request a quote for 8349/85 via WhatsApp
Request a quote on WhatsApp