DBH 1231 radial shaft seal — 78 x 110 x 13

DBH 1231 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 1231 and any equivalents.

When a rotating shaft starts weeping oil, the fix usually comes down to one small part: the radial shaft seal. The DBH 1231 is a lip seal that presses into the housing bore and keeps lubricant where it belongs while shutting out dust, water and process particles. Its Lx configuration and its 78 mm shaft, 110 mm housing and 13 mm height suit pumps, motors, gearboxes and reducers. MR Industrial Accessories supplies this brand and can help you confirm the right seal.

The 1231 code identifies a DBH radial shaft seal built to the Lx pattern, meaning a single sealing lip in a standard rotating-shaft layout. Shaft 78 mm, housing 110 mm, height 13.00 mm. The body is elastomer bonded to a metal case; exact compound properties should be checked against the manufacturer's data sheet for your fluid and temperature. Think of it as a drop-in wear part for equipment that runs continuously and needs dependable sealing.

Seals in this size range turn up in centrifugal pumps, electric motors, gearboxes, rollers and drive shafts. The job is always the same: hold oil or grease inside the assembly and keep outside contamination from getting in. You will also find them in process equipment, agricultural machinery and conveying systems. Because the lip wears against the shaft, inspect it on a regular schedule and swap it out once leakage or unusual noise shows up.

Installation is straightforward if you respect a few basics. The shaft and bore must be clean, with no burrs or scratches. Coat the lip with the same lubricant the equipment uses before you seat it. Push on the outer ring only, evenly, and keep pressure off the lip. When picking a replacement, factor in shaft speed, operating temperature and the fluid involved. A worn shaft may call for a seal with an auxiliary lip.

Need an equivalent or another size? Send the code 1231 or your current dimensions by WhatsApp. Shaft diameter, housing diameter and height, plus a photo of the old seal, give the MR Industrial Accessories team enough to search the DBH range.

MR Industrial Accessories carries the DBH brand within its seals and oil seals line. If the equipment is still running, don't wait for a leak to take out the bearing: message the code 1231 and the team will come back with a quote. Special designs for your application can be reviewed as well.