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Radial shaft seal DBH 5755 — 12.70 x 31.75 x 9.52
- Manufacturer Part Number
- 5755
- Brand
- DBHOfficial brand
- Category
- Seals
- Subcategory
- Radial shaft seals
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Description
DBH 5755 is a radial shaft seal reference, within Seals. Request a quote for 5755 via WhatsApp or email with the quantity you need; we respond promptly with lead time and equivalents.
The DBH 5755 radial shaft seal is a lip seal mounted on a rotating shaft to retain lubricant and block the entry of dust, water or particles. With a 12.70 mm shaft diameter, 31.75 mm housing diameter and 9.52 mm height, and Lx design, it is a common replacement part in equipment with small-section shafts. MR Accesorios Industriales carries this brand and advises you on choosing the right seal for your application.
This item is a DBH 5755 radial shaft seal, identified by its designation 5755. Its dimensions are 12.70 mm shaft diameter (d), 31.75 mm housing diameter (D) and 9.52 mm height (h). The Lx design corresponds to a single-lip seal with spring, intended for rotating shafts with lubrication. The series nomenclature lets you locate the part quickly in the catalogue and compare it against the original size before replacing.
Seals of this size are used in pumps, small electric motors, gearboxes, compressors, machine tools and power transmission equipment where the shaft has a small section. They also appear in agro-industrial applications and in washing or process equipment, where the seal must contain the oil and stop the entry of water and dirt. If the seal works in an environment with abrasive dust, it is advisable to check the condition of the lip and the shaft before replacing it.
To install a radial shaft seal, keep in mind that the shaft must not have burrs or marks in the contact area: a scratched surface ruins the lip within a few hours. Lubricate the lip with the same grease or oil used in the equipment before inserting it, and place the seal perpendicular to the shaft, without hitting it sideways. If the housing has a shoulder or the shaft is off-center, the seal will not work properly even if the size is correct.
If you need an equivalent or a nearby size, send us the code 5755 together with the shaft, housing and height dimensions, and a photo of the old seal if you have it at hand. With that data we can look for an alternative within the same series or from another brand that MR carries. It also helps if you tell us the equipment where it is mounted and the type of lubricant it uses, to better guide the selection.
MR Accesorios Industriales carries the DBH brand and has more than 80 years of experience in bearings, power transmission and seals. If you want to request a quote for the DBH 5755 oil seal or ask about a similar size, message us on WhatsApp with the code and dimensions. We will reply with the available alternative and how to coordinate the order.
Dimensions
- Shaft (d)
- 12.7mm
- Housing bore (D)
- 31.75mm
- Height (h)
- 9.52mm
- Design
- Lx
Frequently Asked Questions
- What are the dimensions of the DBH 5755 oil seal?
- The DBH 5755 oil seal has a 12.70 mm shaft diameter, 31.75 mm housing diameter and 9.52 mm height. These are the dimensions shown in the designation and they serve to compare against the original seal before replacing it.
- How do I know if this oil seal replaces the one I have installed?
- Measure the shaft, the housing and the height of the old seal with a caliper. If they match 12.70 x 31.75 x 9.52 mm, the DBH 5755 is compatible. If any dimension differs, send us the values and we will look for the alternative.
- What does the Lx design mean in this oil seal?
- The Lx design identifies a single-lip seal with spring, suitable for rotating shafts with lubrication. It is a common configuration in small and medium-sized equipment. If your application has high pressure or speed, consult us before installing it.

