DBH 8004 radial shaft seal — 26 x 42 x 8/17

DBH 8004 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 8004 and any equivalents.

The DBH 8004 is a single-lip radial shaft seal built for a 26 mm shaft running in a 42 mm housing bore. Its profile measures 8 mm at the seating area and 17 mm at the lip, so it tolerates a degree of eccentricity and misalignment. An elastomer body resists oils and greases, and a steel spring keeps the lip under contact pressure. It keeps lubricant inside and contaminants outside gearboxes, pumps and electric motors.

The 8004 designation identifies a radial shaft seal. Reading the dimensions in order: shaft 26 mm, housing 42 mm, height 8.00/17.00 mm. The A 040 design means a sealing lip with a spring, intended for rotating shafts. The seal presses into the housing bore, and the elastomeric lip works against the shaft, absorbing minor misalignment. The 17 mm figure covers the outer lip, which helps where access is tight.

You will find this seal in gearboxes, centrifugal pumps, electric motors, compressors and power transmission equipment. Its job on the plant floor is to hold oil or grease around the bearings and to keep dust and moisture out of the mechanism. Agricultural machinery, construction equipment and production lines with exposed rotating shafts are common homes for it. The compact envelope suits confined spaces.

When specifying a seal like the DBH 8004, confirm that both the shaft and the housing bore match the stated dimensions. The shaft needs adequate hardness and surface finish, otherwise the lip wears early. Lubricate the lip with the same oil or grease the equipment runs before pressing it in, and keep sharp edges away from it. The 8/17 mm height leaves some axial room, but the seal still has to sit square to the shaft to seal properly.

If you are looking for a replacement for the DBH 8004, our team can help. We supply the DBH brand and can point you to alternatives or special materials when the application calls for it. Send the code 8004 or the dimensions 26 x 42 x 8/17 mm by WhatsApp or email and we will get back to you promptly. We can also walk you through the A 040 design and its variants.

For a quote on this DBH 8004 oil seal, message us on WhatsApp or email with the part number. Our range also covers seals, bearings and power transmission components for the equipment you maintain.