Radial shaft seal DBH 9721Pol — 76.20 x 101.65 x 11.00

DBH 9721Pol is a radial shaft seal reference, within Seals. Request a quote for 9721Pol via WhatsApp or email with the quantity you need; we respond promptly with lead time and equivalents.

The DBH 9721Pol radial shaft seal is a lip seal mounted between a rotating shaft and its housing to retain lubricant and stop the ingress of dust, water or particles. Due to its dimensions —76.20 mm shaft, 101.65 mm housing and 11.00 mm height— it is used in gearboxes, pumps and medium-sized transmission equipment. Its Kx-R design combines a sealing lip with a dust lip, making it suitable for environments with moderate dirt.

The 9721Pol is a seal with a Kx-R design and the following dimensions: shaft diameter 76.20 mm, housing diameter 101.65 mm and height 11.00 mm. The main lip runs on the shaft and the secondary lip, facing outward, stops the ingress of contaminants. This double-lip configuration is common in equipment operating in plants with dust or humidity, where a single seal is not enough to protect the lubricant.

It is found in gearboxes, centrifugal pumps, mixers, chain conveyors and belt- or chain-drive transmission equipment. It is also used in machine tools and process equipment where the shaft rotates at moderate speeds and there is a risk of particle ingress. It is a wear part: when lubricant loss or dirt ingress appears, it is replaced with an equivalent size and design.

To select it, verify that the three dimensions match the housing and the shaft: 76.20 x 101.65 x 11.00 mm. Check the condition of the shaft —no burrs, no wear and adequate roughness— and the housing entry chamfer, so as not to damage the lip during installation. Lubricate the lip before inserting it and place the seal perpendicular to the shaft, with a tube or spacer that rests on the outer ring, never on the lip.

If you cannot find the 9721Pol or need a nearby size, send us the part number and the dimensions of the old seal: shaft diameter, housing diameter and height. With that data we look for the equivalent in the same brand or in another with similar performance. If the Kx-R design is not available, we evaluate alternatives with a single lip or with a dust lip depending on the type of contamination in the equipment.

MR Accesorios Industriales sells the DBH brand and has more than 80 years of experience in bearings, seals and power transmission. To request a quote for the 9721Pol seal or ask about an equivalent, write to us on WhatsApp with the part number and dimensions. We will reply with the available alternative and the purchase conditions.