DBH 8677 radial shaft seal — 66.7 x 95.25 x 12.7

DBH 8677 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 8677 and any equivalents.

A radial shaft seal such as the DBH 8677 keeps lubricant inside the housing and keeps dust, water and particles out. It works against a rotating shaft, so the lip is the part that wears and eventually lets a leak appear. Shaft 66.70 mm, housing 95.25 mm, width 12.70 mm, which fits medium-section shafts. When the lip hardens or oil starts to seep, the usual move is to fit the same designation or a size equivalent.

The reference is 8677, from the DBH line of radial shaft seals. Reading the dimensions in order: the shaft it rides on measures 66.70 mm, the housing bore it presses into measures 95.25 mm, and the overall height is 12.70 mm. The Lz designation describes the construction layout of the seal, which uses a sealing lip in a standard configuration for rotating shaft applications. Elastomer body, metal case and retaining spring are the usual build; the exact compound and the temperature range it tolerates should be confirmed on the manufacturer's data sheet.

Seals in this size range turn up in gearboxes, centrifugal pumps, electric motors, conveyor rollers and other power transmission equipment. Two jobs are done at once: oil or grease stays where it belongs, and outside contamination stays out. Both matter because dust and water reaching a bearing shorten its life. Splash lubrication and circulation systems, with the shaft turning at moderate speed, are the situations where this seal is most often found.

Three checks decide whether a seal will work: shaft and housing diameters against the values of the part, height against the depth available in the housing, and lip design against rotation direction and working pressure. At installation, coat the lip with the same oil the equipment runs on, seat the seal square to the shaft, and keep tools away from the lip so it is not nicked or deformed. A lip that sits crooked is the most frequent reason a new seal starts leaking early.

For an equivalent to the 8677, send the code together with the shaft, housing and height measurements, and a photo of the removed part if you have one. With that we can search the DBH range or another brand we carry. If the seal sits in an assembly whose bearings or housings also need replacing, tell us and we can review the whole set at once.

MR Industrial Accessories supplies the DBH brand within its seals and oil seals line. For a seal on a machine that is running, message us on WhatsApp or by email with code 8677 and the dimensions, and the team will come back with a quote. Other sizes in the same family, or seals for tougher working conditions, can be quoted the same way.