DBH 6388 radial shaft seal — 46 x 72.87 x 8.75

DBH 6388 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 6388 and any equivalents.

Part number 6388 from the DBH line is a radial shaft seal, the kind of lip seal that keeps oil or grease inside the gap between a turning shaft and its bore. Its three working measurements are a 46 mm shaft, a 72.87 mm housing and an 8.75 mm height, in the Ls design. Gearboxes, pumps, motors and transmission equipment are the usual places it turns up. We supply this brand and can help you confirm the size before you ask for a quote.

Reading the reference: 6388 is the part number, and DBH covers seals built to a common profile that presses into a cylindrical bore. The Ls designation tells you the seal has one lip with a spring, made for rotating shafts that run with lubrication. The three figures you need on hand are shaft diameter (d) 46 mm, housing diameter (D) 72.87 mm and height (h) 8.75 mm.

Where it works: any assembly that has to hold lubricant in and keep dust or water out. Gearboxes, centrifugal pumps, electric motors, conveyor rollers and belt or chain drives are typical. It also shows up on imported or older machinery where the bore is not a common size and the replacement has to be matched by measurement rather than by catalog listing. Expect it to wear: once the lip stiffens or the shaft surface gets scored, oil starts to escape.

Installation notes: inspect the shaft for burrs, nicks or splines across the lip path, and make sure the bore is clean and undented. Coat the lip with the same oil or grease the equipment uses, then drive the seal in with a tube or press that pushes evenly on the outer diameter, never on the lip. A worn shaft may call for an offset lip. Speed, temperature and lubricant type all affect the choice.

For a cross-reference, give us part number 6388 or simply the three measurements off the old seal, plus a photo of the part and the bore if that is easier. We look at options in the DBH line and in other brands we carry, and check them against the manufacturer's data before quoting.

Send the part number and dimensions on WhatsApp or by email and our team will come back with the reference and its technical data so you can confirm it fits your installation.