DBH 1220/85 radial shaft seal — 25 x 50 x 7/10.7

DBH 1220/85 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 1220/85 and any equivalents.

The DBH 1220/85 is a single-lip radial oil seal designed to retain lubricant and block contaminants. Its A 120 configuration features a stepped outer body: a 7 mm section that presses into the housing and a 10.70 mm section that adds stability. This makes it suitable for gearboxes, pumps, motors, and other rotating equipment where space is limited.

Key dimensions are 25 mm shaft diameter, 50 mm housing bore, and a height of 7.00/10.70 mm. The A 120 designation indicates a radial lip seal with a stepped outside diameter. The shorter 7 mm portion fits the housing seat, while the longer 10.70 mm portion provides a larger centering surface. The lip maintains controlled contact with the shaft to prevent leaks without excessive heat.

Typical applications include gearboxes, centrifugal pumps, electric motors, conveyor rollers, and belt or chain drives. It is also found in agricultural and industrial settings where dust or moisture is present. As a wear component, it should be inspected if oil seepage or dripping occurs.

During installation, ensure the shaft is clean and free of burrs or machining marks, and that the sealing surface has the proper finish. Lubricate the lip before pressing the seal into place using a tube or press that contacts only the metal outer edge, never the lip. If the housing has a shoulder, observe the correct depth so the lip runs fully on the shaft track. Proper alignment helps avoid premature leaks.

To request a quote, provide the complete part number, shaft diameter, and housing bore. With this information, we can identify a replacement with the same A 120 design or a similar configuration, always verifying dimensions against the manufacturer's data. We can also advise if the original seal has a different height or if the housing accepts a variant with an additional lip.

For a quote on the DBH 1220/85 oil seal or to ask about an equivalent size, send the part number via WhatsApp to MR Industrial Accessories. We will respond with alternatives that suit your equipment. We work with brands we supply and have in-house manufacturing in other areas, so we can recommend the most convenient option for your application.