DBH 9777Pol radial shaft seal — 48 x 62 x 7

DBH 9777Pol 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 9777Pol and any equivalents.

For equipment that reverses direction or where pressure can act from either side, the DBH 9777Pol radial shaft seal offers a bidirectional lip design. It keeps lubricant in and contaminants out, protecting bearings and gears. The seal fits a 48 mm shaft, a 62 mm housing bore and a 7 mm cavity depth, a size common in pumps, motors and gearboxes.

This DBH seal, part number 9777Pol, is a radial lip seal with an Lx bidi designation. That code means the lip seals in both directions of rotation, making it suitable for reversing shafts or assemblies where the pressure side is not fixed. The body presses into a machined housing cavity, and the lip runs against the shaft to retain oil or grease. As a replacement, match the same part number or an equivalent that keeps the three mounting dimensions: shaft 48 mm, housing bore 62 mm, height 7.00 mm.

You will find seals of this size in centrifugal pumps, electric motors, gear reducers, transmission gearboxes and other process equipment. In every case the job is the same: hold lubricant inside and block dust, water or particles that would wear down bearings and gears. Because the lip works in both directions, it also suits shafts that alternate rotation or where the seal may see pressure from either side.

Proper selection starts with the shaft. Check that its diameter falls within the tolerance recommended for radial shaft seals and that the housing bore is free of burrs or marks that could cut the lip during installation. The 7.00 mm height must match the cavity depth. When pressing the seal in, coat the lip with the same oil used in the machine, keep it square to the bore and apply force to the outer edge, not the lip. If the shaft shows a groove or wear, a repair sleeve is an option to consider.

If you are looking for an equivalent, send part number 9777Pol along with the shaft, housing bore and height dimensions, and a photo of the old seal if you have one. With that information we can search for an alternative from the same brand or another brand we carry, always keeping the mounting dimensions. We can also help you decide whether the Lx bidi lip is the right choice for your application or if another lip type would work better.

MR Industrial Accessories supplies the DBH brand. To ask about this seal or any other sealing component, message us on WhatsApp with the part number and dimensions. We will reply with a quote and can suggest equivalents or help you choose.