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DBH type Lz radial shaft seal, single lip with spring, in section · DBH 5176
DBH 5176 radial shaft seal — 40 x 55 x 10

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DBH 5176 radial shaft seal — 40 x 55 x 10

Manufacturer Part Number5176
Brand
DBH
Category
Seals
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Since 1945 · Martínez, Buenos Aires, Argentina

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Description

DBH 5176 is a reference of radial shaft seal, within Seals. Request a quote for 5176 via WhatsApp or email with the quantity you need; we respond promptly with the quote and equivalents.

The DBH 5176 radial shaft seal is a lip seal designed for rotating shafts. Its function is to retain lubricant inside the assembly and block the ingress of dust, water or particles that could damage bearings and gears. It is press-fitted into the housing and works on the shaft with a flexible lip that maintains contact. It is a wear part: when oil leakage or dirt ingress appears, it should be replaced. MR Accesorios Industriales supplies this brand and advises you to choose the correct size.

This item is a DBH 5176 radial shaft seal with the following dimensions: shaft diameter 40 mm, housing diameter 55 mm and height 10 mm. The Lz design corresponds to a single lip configuration with spring, suitable for rotating shafts with lubrication. The commercial designation is 5176 and it is used to replace worn seals in equipment where axial space is limited. Before installation, verify that the shaft has no burrs or deep marks on the contact track.

Typical applications for a seal of these dimensions include gearboxes, centrifugal pumps, electric motors, mixers and conveyors. In all cases it performs the same function: separating the external environment from the internal lubricant. It is also used in agricultural and industrial equipment where there is exposure to dust or water. If the equipment operates with high vibration or elevated temperature, it is advisable to check the condition of the lip more frequently and replace it at the first sign of leakage.

To correctly select a radial shaft seal, take into account the shaft speed, working temperature and lubricant type. The lip must rest on a ground and lubricated surface; if the shaft is scratched, the seal will not seal properly even if new. When installing, use a press or a tube of suitable diameter that rests on the metal edge, never on the lip. Verify that the spring is on the lubricant side and that the seal enters perpendicular to the housing.

To quote an equivalent, send us the code 5176 along with the shaft, housing and height dimensions. It also helps if you indicate the equipment or application to guide the search. The more data you give us, the faster we can confirm the right option for your machine.

To request a quote for the DBH 5176 oil seal or inquire about another size, write to us via WhatsApp and send us the code. At MR Accesorios Industriales we respond with the technical information you need to make your purchase decision. If you have questions about installation or compatibility, we can also help you review the assembly.

Dimensions

Shaft (d)
40mm
Housing bore (D)
55mm
Height (h)
10.00mm
Design
Lz

Frequently Asked Questions

What are the dimensions of the DBH 5176 oil seal?
The DBH 5176 has a 40 mm shaft diameter, 55 mm housing diameter and 10 mm height. These are the nominal dimensions of the item and match the commercial designation. It is always advisable to verify the housing and shaft before installation.
How do I know if this oil seal replaces the one I have installed?
Compare the three dimensions: shaft diameter, outer diameter and height. If they match, the seal is compatible. Also check the condition of the shaft track: if it is worn, the new lip may not seal properly and a repair should be evaluated.
What does the Lz design mean in a radial shaft seal?
The Lz design indicates a single lip configuration with spring, intended for rotating shafts with lubrication. It is one of the most common variants in industrial applications. To confirm the installation orientation, send us a photo of the old seal or ask us via WhatsApp.
Request a quote for 5176 via WhatsApp
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