DBH 9873/85 radial shaft seal — 23.3 x 29.7 x 4/6

DBH 9873/85 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 9873/85 and any equivalents.

The DBH 9873/85 is a radial shaft seal built to hold lubricant inside a housing and keep dust, water and particles out along a rotating shaft. Its A 326 lip design with spring suits moderate shaft speeds. The compact envelope makes it a practical choice where axial room is tight and a dependable barrier is still needed. Like any lip seal, it is a wear item and should be swapped out as soon as leakage shows up.

The designation breaks down into two parts. The number 9873/85 identifies the item within the DBH line of seals. The dimensions follow the usual order for this type of part: shaft 23.30 mm, housing 29.70 mm, height 4.00/6.00 mm. That variable height range means the seal can sit in housings of different depths, provided the lip still lands correctly on the shaft surface.

Where does a seal this size turn up? Small gearboxes, electric motors, low-power centrifugal pumps, reducers and other transmission equipment are common hosts. You will also find it in agricultural machinery, conveyors and lubrication systems, wherever oil or grease has to stay contained and bearings have to be shielded from the surrounding environment. Compact equipment and positions with limited radial or axial space are typical.

Installation calls for a few basic checks. The shaft should be free of burrs and wear, and the sealing surface clean and lightly lubricated before the seal goes on. Press it in square to the shaft rather than driving it with impacts that could distort the lip. A housing that is rough or worn can defeat the seal even when every dimension matches.

When you are choosing a replacement, dimensions are only part of the picture. The fluid being sealed, the operating temperature and the peripheral speed of the shaft all affect whether a given lip design and material will hold up. If the A 326 configuration is not the right fit for your application, it may be worth looking at a different lip type or compound.

The simplest way to find an equivalent is to send the code 9873/85, or the shaft and housing dimensions you measured. From there, alternatives in the same category or from other brands we carry can be identified. The DBH brand is part of our seals and radial shaft seal range, and our team can help you read the designation and settle on the right part.