DBH 8417Pol radial shaft seal — 21.5 x 40 x 7

DBH 8417Pol 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 8417Pol and any equivalents.

For maintenance teams working on compact rotating equipment, the DBH 8417Pol radial shaft seal keeps lubricant in and contaminants out. It is a single lip seal built to the Lz-H design, which pairs a sealing lip with a dust lip. With a 21.5 mm shaft, a 40 mm housing bore and a 7.00 mm height, it fits small motors, pumps and light reducers where space is limited. MR Industrial Accessories supplies this seal as part of its seals and radial shaft seals range for customers in the United States and Latin America.

The reference 8417Pol belongs to the DBH line of radial shaft seals. Reading the size code is straightforward: shaft 21.5 mm, housing 40 mm, height 7.00 mm. The Lz-H designation tells you the seal has two lips, one for the sealing function and one that acts as a barrier against dust and chips. Elastomer type and spring are confirmed against the manufacturer's data when you request a quote.

This size is common on small electric motors, low power centrifugal pumps, compact shaft reducers, light gearboxes and other power transmission components where the goal is to hold lubricant in place and keep dust out. Machine tools, food handling equipment and irrigation systems are also candidates, as long as the shaft speed and operating temperature stay within the limits of the compound.

Selection starts with the bore and shaft. Confirm that both diameters match the published values and that the 7.00 mm height seats in the cavity without being forced. Where dust or chips are present, the Lz-H configuration is the safer choice; in a clean environment a single lip seal may be enough. At installation, lubricate the lip, keep the sealing surface free of burrs and marks, and avoid impacts that could damage the elastomer.

If you are cross referencing, send the code 8417Pol or the three dimensions by WhatsApp or email. The team replies promptly and can suggest equivalents within the DBH line or from other brands supplied, keeping the dimensions and design type consistent. They can also advise whether the cavity allows a different height or whether a dust lip is worth having.

MR Industrial Accessories handles seals and radial shaft seals for maintenance and replacement work. Send the part number and the team will come back with a quote. If you want to confirm fitment, include a photo of the housing along with the shaft dimensions.