DBH 8777 radial shaft seal — 20 x 34 x 7
- Brand
- DBH
- Category
- Seals
- Subcategory
- Radial shaft seals
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Description
DBH 8777 belongs to radial shaft seal, part of our Seals range. Tell us how many you need by WhatsApp or email and we'll get back to you promptly with a quote for 8777 and any equivalents.
The DBH 8777 oil seal is a single-lip radial shaft seal designed to keep oil or grease in and contaminants out. It fits a 20 mm shaft, a 34 mm housing bore, and has a 7 mm height. The Lx design means a single sealing lip with a spring and no external dust lip, so it suits fixed housings with a rotating shaft. MR Industrial Accessories supplies this brand and can help you confirm the right seal for your equipment.
Part number 8777 identifies this DBH radial shaft seal. Its dimensions are shaft 20.00 mm, housing 34.00 mm, and height 7.00 mm. The Lx configuration uses one sealing lip with a spring and no secondary dust lip. This makes it a good fit for gearboxes, centrifugal pumps, electric motors, compressors, and power transmission equipment where the seal sits in a fixed housing and the shaft turns inside it.
In service, the seal holds lubricant inside the assembly and blocks dust, water, and metal particles from entering. Treat it as a wear part: replace it when you see leaks or hear unusual noise around the sealing area. Keeping the lubricant clean and the shaft surface in good condition helps the lip do its job.
Installation matters. Check that the shaft has the right hardness and surface finish, with no burrs or marks that could cut the lip. Lubricate the lip with the same oil or grease used in the application before you press it in. The housing bore must be clean and undistorted. Because the height is only 7 mm, the seal fits shallow cavities. If the shaft is worn, consider a seal with the lip in a different position or a repair sleeve.
If you need a replacement, send the full part number 8777 or the current dimensions: shaft diameter, housing diameter, and height. With that information we can look for equivalents in the same brand or in other brands we supply. We can also advise on lip type, elastomer material, and working temperature. If your application calls for a dust lip or a double lip, ask us about those variants.
To request a quote for the DBH 8777 oil seal, send the part number by WhatsApp or email to MR Industrial Accessories. We reply promptly with the technical data and options you need for your maintenance work.
Dimensions
- Shaft (d)
- 20mm
- Housing bore (D)
- 34mm
- Height (h)
- 7.00mm
- Design
- Lx
Frequently asked questions
- What applications is the DBH 8777 oil seal suitable for?
- It is used on rotating shafts in gearboxes, pumps, electric motors, compressors, and transmission equipment. Its job is to retain oil or grease and keep dust and water out. It works well in permanently lubricated assemblies at moderate temperatures.
- How do I ask for an equivalent or similar oil seal?
- Contact us by WhatsApp or email with part number 8777 or with your seal dimensions: shaft diameter, housing diameter, and height. You can also mention the lip type and material. With that data we can offer alternatives from the brands we supply.
- What are the dimensions of the DBH 8777 oil seal?
- The DBH 8777 oil seal has a 20.00 mm shaft diameter, a 34.00 mm housing diameter, and a 7.00 mm height. Verify these dimensions against your old seal before replacing it.