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DBH type Lx radial shaft seal, double lip with one spring, in section · DBH 5146
Radial shaft seal DBH 5146 — 55.00 x 72.00 x 10.00

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Radial shaft seal DBH 5146 — 55.00 x 72.00 x 10.00

Manufacturer Part Number
5146
Brand
DBHOfficial brand
Category
Seals
Subcategory
Radial shaft seals

DBH

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Description

DBH 5146 is a radial shaft seal reference, within Seals. Request a quote for 5146 via WhatsApp or email with the quantity you need; we respond promptly with lead time and equivalents.

The DBH 5146 radial shaft seal is a rotating shaft seal that prevents oil or grease leaks and blocks the ingress of dust and water in gearboxes, pumps and motors. Its Lx design combines a sealing lip with a metal body that fits into the housing. With a 55 mm shaft diameter, 72 mm housing and 10 mm height, it is a common size in power transmission equipment and industrial machinery. MR Accesorios Industriales carries it as an official brand.

This item is a radial shaft seal from the DBH brand, identified with the code 5146. Its dimensions are: shaft diameter 55 mm, housing diameter 72 mm and height 10 mm. The Lx design corresponds to a seal with a sealing lip and metal reinforcement, intended for rotating shafts with lubrication. The series nomenclature makes it easy to locate quickly in catalogs and maintenance lists.

It is used in gearboxes, centrifugal pumps, electric motors, rollers and transmission equipment where lubricant must be retained and bearings protected. Also in applications with moderate exposure to dust or water, provided that speed and temperature are within the limits of the compound. It is a wear part: it should be checked at every scheduled shutdown.

To install it, check that the shaft has no burrs or wear and that the housing is clean and free of deformation. Lubricate the lip before inserting it and apply force on the outer ring, never on the lip. If the shaft shows a wear groove, consider a nearby size or a seal with an offset lip. Selection depends on speed, temperature and the fluid to be retained.

If you need an equivalent or a close size, send us the code 5146 together with the shaft, housing and height dimensions. The original manufacturer's code or a photo of the part also works. With that data we review alternatives in the same series or in other brands we carry, and we confirm the option before quoting.

To move forward, send the code 5146 by WhatsApp to MR Accesorios Industriales. We will reply with the quote for that size and the alternatives we have in the oil seal line. If the equipment is down, mention it in the message so we can prioritize the inquiry.

Dimensions

Shaft (d)
55mm
Housing bore (D)
72mm
Height (h)
10.00mm
Design
Lx

Frequently Asked Questions

What are the dimensions of the DBH 5146 oil seal?
The DBH 5146 oil seal has a 55 mm shaft diameter, a 72 mm housing diameter and a 10 mm height. These are the dimensions shown in the designation and they are used to compare with the original part before replacing it.
How do I request an equivalent or a nearby size?
Send the code 5146 and the shaft, housing and height dimensions via WhatsApp. If you have the original manufacturer's code or a photo, even better. With that we review alternatives in the same series or in other brands we carry.
What should I keep in mind when installing a radial shaft seal?
Check that the shaft has no burrs or wear and that the housing is clean. Lubricate the lip before inserting it and apply force on the outer ring, not on the lip. If the shaft has a wear groove, consider a nearby size.
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