DBH 8645 radial shaft seal — 68 x 87 x 7

DBH 8645 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 8645 and any equivalents.

The DBH 8645 is a radial shaft seal built around a single lip, and its job on a rotating shaft is twofold: hold oil or grease in and keep dust and water out. The Lx design, with its spring-loaded lip, suits gearboxes, pumps, electric motors and industrial transmissions. MR supplies this brand and can walk you through picking the correct seal.

The part carries the designation 8645 and belongs to the DBH line of radial shaft seals. Read the size off the code and you get shaft 68 mm, housing 87 mm, height 7.00 mm. The Lx version means one sealing lip with a spring, which is what you want on a lubricated rotating shaft. Since DBH is a brand we supply, the replacement keeps the same sealing geometry and material as the original.

You will find seals like this one in gearboxes, centrifugal pumps, electric motors, spindles and belt or chain drives. In each case the seal keeps lubricant where it belongs and blocks contaminants from getting in. Process equipment, agitators and general plant machinery with a continuously turning shaft also rely on this kind of barrier against leaks.

Before fitting the DBH 8645, confirm the shaft measures 68 mm and the housing 87 mm, and that the housing width suits the 7.00 mm height. The shaft should be ground and free of burrs, the housing clean and undamaged. Lubricate the lip first, then seat the seal square to the shaft rather than driving it in with a direct blow. A worn shaft may call for a repair sleeve or a different size.

If you are after a seal equivalent to the DBH 8645, send the code 8645 along with your shaft, housing and height measurements. A photo of the old part or the assembly drawing works just as well. We compare those details against the seals and oil seals we carry and point you to the alternative that fits your equipment.