DBH 8266 radial shaft seal — 52.4 x 74.7 x 8.4

DBH 8266 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 8266 and any equivalents.

The DBH 8266 is a radial shaft seal, the type of lip seal pressed into a housing so that it wipes against a turning shaft. Its job in an assembly is twofold: hold the lubricant where it belongs and keep outside contamination, such as dust, water or grit, from reaching the bearings. You will find seals of this kind in gearboxes, pumps, electric motors and other power transmission equipment where the shaft turns continuously.

The reference 8266 belongs to the DBH line and matches a radial shaft seal built to design A 101. That design code describes the lip profile and the metal case, which suits standard housing bores. Sizing is given as shaft 52.4 mm, housing 74.7 mm and height 8.40 mm. If the seal being replaced carries those three values, this one drops in as a direct replacement with no machining or adaptation.

Seals in this size range turn up in rotating machinery where two spaces have to stay separated: gearboxes, centrifugal pumps, electric motors, mixers and conveyors, as well as fan shafts and machine tools. In every one of those cases the lip rides on a shaft surface that should be ground and hard enough to keep lip wear within reason.

Matching a seal starts with the three measurements, shaft 52.4 mm, housing 74.7 mm and height 8.40 mm, checked against both the shaft and the bore. Look at the shaft condition as well: no splines, no corrosion, a fine finish. During installation, coat the lip with the same oil or grease the equipment runs on, seat the seal square to the shaft and press it in without hammering on the lip. Where the shaft has a groove or a step, a guide sleeve keeps the lip from catching.

If you are quoting code 8266 or working from the measurements of a worn seal, we can cross it to an equivalent from another brand, or search by shaft, housing and height. MR Industrial Accessories supplies seal and oil seal brands for a range of applications and can help you settle on the right choice.

To get a quote on the DBH 8266, send the part number to MR Industrial Accessories by WhatsApp or email. If the size or design is uncertain, include a photo of the old seal or caliper readings, and we will reply with the quote and an alternative if this is not the exact match.