DBH 8931 radial shaft seal — 55 x 75 x 8

DBH 8931 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 8931 and any equivalents.

The DBH 8931 is a radial shaft seal built to keep lubricant where it belongs and keep contaminants out of rotating equipment. Its Lx configuration pairs a sealing lip with an outer metal case, so the seal presses into the housing while the lip rides against the shaft. The size covers a 55 mm shaft, a 75 mm housing bore and an 8 mm width, a combination that shows up often in power transmission assemblies. MR Industrial Accessories supplies it within its seals and oil seals range.

Reading the designation is straightforward: the code 8931 identifies the seal, and the three figures describe the fitting points. Shaft diameter (d) is 55.00 mm, housing diameter (D) is 75.00 mm, and height (h) is 8.00 mm. In the Lx design, the outer case holds the seal in the bore while the lip contacts the rotating shaft.

Seals in this size range are found in gearboxes, reducers, centrifugal pumps, electric motors and similar power transmission equipment. The job is two-sided: hold oil or grease inside the assembly, and block dust, water and particles from working their way in. Where vibration or moderate temperatures are present, the lip stays in contact with the shaft, which helps protect nearby bearings and gears.

Before ordering, compare the shaft and housing dimensions against the values above and confirm that the 8.00 mm height fits the cavity without distortion. Lubricate the lip with the same oil or grease the equipment uses, seat the seal squarely, and keep impacts away from the lip during installation. A worn shaft surface may call for a repair sleeve or a different size.

If you are looking for an equivalent, send the code 8931 or the dimensions 55 x 75 x 8 mm and we will review the options in the oil seals line. We can also assist when shaft or housing tolerances differ from the standard figures.

To request a quote, message the part number through WhatsApp or email. A photo of the old seal, or the measured shaft and housing dimensions, helps us confirm the right option for your application.