DBH 1043 radial shaft seal — 25.4 x 34.9 x 6.35
- Brand
- DBH
- Category
- Seals
- Subcategory
- Radial shaft seals
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Description
DBH 1043 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 1043 and any equivalents.
The DBH 1043 is a single-lip radial oil seal with a metal spring, intended for rotating shafts. It keeps lubricant in and contaminants out, press-fits into the housing, and runs against the shaft on a thin oil film. As a wear part, it is replaced during scheduled maintenance.
Dimensions are shaft 25.40 mm, housing 34.90 mm, and width 6.35 mm. The Mz designation refers to a sealing lip with a metal spring that maintains steady contact on the shaft. The lip elastomer handles mineral oils and greases, and the metal outer case aids press-fitting into rigid housings. This size belongs to the DBH radial shaft seal line.
Typical applications include gearboxes, centrifugal pumps, electric motors, transmission shafts, and continuous process equipment. The seal also appears in machine tools, compressors, and conveyor systems. In each case, it protects bearings and gears from external contamination and prevents lubricant from escaping. It is often found where shaft speeds are moderate and operating temperature stays within the elastomer limits.
When selecting a replacement, confirm that the shaft, housing, and width dimensions match the machined housing. The shaft surface should be ground and free of grooves or burrs, since excessive roughness speeds up lip wear. Before installation, lubricate the lip with the same oil used in the equipment and check that the spring is properly seated. Press the seal in perpendicular to the shaft, without impacts that could deform the case.
To quote the 1043 code, send us your sample dimensions. We can search for alternatives within the DBH line or other brands we supply. We also advise whether the Mz design suits your application or whether a double lip or a special material should be considered. The aim is to avoid an oil seal that does not seal correctly.
MR Industrial Accessories supplies the DBH brand. If you are unsure about compatibility with your equipment, contact us on WhatsApp and we will share the available technical information. Send the 1043 code and we will provide a quote.
Dimensions
- Shaft (d)
- 25.4mm
- Housing bore (D)
- 34.9mm
- Height (h)
- 6.35mm
- Design
- Mz
Frequently asked questions
- What are the dimensions of the DBH 1043 oil seal?
- Shaft 25.40 mm, housing 34.90 mm, and width 6.35 mm. The Mz design indicates a single lip with spring. Check these dimensions against the housing before installation.
- What type of shaft is this oil seal used on?
- It is used on rotating shafts in machines such as pumps, gearboxes, and motors. The shaft must be ground and undamaged. Speed and temperature depend on the elastomer, which resists common mineral oils and greases.
- How do I request a quote or an equivalent?
- Send the 1043 code via WhatsApp to MR Industrial Accessories. If you need an equivalent from another brand, provide your sample dimensions or the original code and we will advise.