DBH 1139 radial shaft seal — 35 x 63 x 10/16

DBH 1139 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 1139 and any equivalents.

A radial shaft seal identified as the DBH 1139, this part is built around an A 103 Bidi configuration. Reading the size string 35 x 63 x 10/16, the shaft measures 35 mm, the housing bore 63 mm, and the overall height runs 10.00/16.00 mm. That Bidi designation points to two lips: a primary sealing lip plus a secondary one. Between them, lubricant stays where it belongs and outside contamination stays out, which matters on pumps, motors, gearboxes and bearing positions. MR Industrial Accessories supplies this brand and can help you match the right seal to your equipment.

The code breaks down in a straightforward way. DBH identifies the seal family, 1139 is the item reference, and the numbers that follow describe where it fits. Shaft 35 mm, housing 63 mm, width 10.00/16.00 mm. Because the height is variable across that 10 to 16 mm range, the same seal can sit in housings machined to different depths, provided the nominal dimension is respected. Maintenance teams keep it on hand as a rotating-equipment replacement part.

Where does it go? Centrifugal pumps, electric motors, gearboxes, gear cases, rollers and transmission shafts are the usual spots. In each case the job is the same: hold oil or grease inside the assembly and block outside particles from getting in. The second lip acts as a wiper, so dusty, chipped or wet surroundings are handled better than a single-lip seal would manage. Food, chemical and process industry equipment also uses it, as long as the lip material suits the fluid involved.

Selection comes down to three checks. Confirm the shaft size, the housing bore and the space available for width. Look over the shaft surface for scratches or wear, and make sure the housing has a chamfer so the lip is not cut during installation. Before pressing it in, coat the lip with the same oil or grease the equipment runs. For high speed or high temperature service, talk to MR about the lip compound and spring type.

Hunting for an equivalent? Send code 1139 or the dimensions 35x63x10/16 and we will quote what is available. Alternatives in other brands, or with a different lip material, can be sourced depending on the application. A photo of the old seal or the equipment data plate speeds things up. MR Industrial Accessories helps you land on the correct part.

To order, message us on WhatsApp with code 1139 or the dimensions 35 x 63 x 10.00/16.00 mm and we will reply with a quote. Questions about installation or compatibility are welcome too. MR supplies this brand and carries alternatives for a range of industrial applications.