DBH 6646 radial shaft seal — 72 x 127 x 11.9

DBH 6646 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 6646 and any equivalents.

The DBH 6646 is a radial shaft seal built to keep lubricant in and contamination out of rotating equipment. Its Mx design combines a sealing lip with a metal outer case. The dimensions are 72 mm for the shaft, 127 mm for the housing bore and 11.90 mm for the height. MR Industrial Accessories supplies this brand and helps you match the seal to your application.

The code 6646 identifies this seal within the DBH line. Reading the size: shaft diameter 72 mm, housing diameter 127 mm, height 11.90 mm. The Mx configuration uses an elastomer lip that rides on the shaft and a metal body that presses into the housing, so oil or grease stays inside the assembly and dust, water or particles stay out.

You will find this seal in gearboxes, reducers, centrifugal pumps, electric motors, compressors and transmission equipment. It also appears in agricultural machinery, materials handling gear and production lines where a failed seal can mean unplanned downtime. The job is always the same: protect bearings and gears by holding lubricant in place and blocking contaminants.

Installation matters as much as selection. Check the shaft for burrs or wear in the lip contact area, lubricate the lip before fitting, and press the seal in squarely with a suitable tool rather than striking it. When choosing a seal, account for peripheral speed, operating temperature and the fluid being retained. If a seal leaks early, inspect shaft roughness and housing concentricity.

If you need the same dimensions or a close variant, send us the code 6646 or the measurements from your equipment. We can search for alternatives in other brands or configurations while keeping the required tolerances and design. We also help adapt the seal to demanding conditions such as elevated temperatures or chemical exposure.

To request a quote for the DBH 6646 oil seal or ask about a replacement, message us on WhatsApp with the code or the dimensions 72 x 127 x 11.90 mm. Our team replies with the information you need to keep your maintenance or project moving.