DBH 8857 radial shaft seal — 5 x 15 x 4

DBH 8857 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 8857 and any equivalents.

For small-diameter shafts, the DBH 8857 radial shaft seal provides a dynamic barrier that keeps lubricant in and contaminants out. It fits a 5 mm shaft, a 15 mm housing and has a 4 mm height. This lip seal protects bearings, bushings and gears in compact assemblies, helping to avoid premature wear and unplanned downtime.

The DBH 8857 is a radial shaft seal from the DBH line, part number 8857. Its dimensions are shaft 5 mm, housing 15 mm and height 4.00 mm. The Lx design denotes a single lip with spring, a common choice for oil or grease retention where axial space is tight. It is press-fitted into the housing with interference and seals against the rotating shaft surface.

Typical applications include small electric motors, gear reducers, low-power pumps, pneumatic tools, household appliances and instrumentation. It also appears in light transmission housings, fans, small compressors and laboratory machinery. In each case, it retains lubricant and blocks dust, water or particles that could damage internal components, supporting longer bearing life and less corrective maintenance.

When selecting a replacement, confirm that the shaft diameter, housing bore and height match the values above. The shaft should be ground and free of burrs; the housing must be clean and have a proper entry chamfer. Lubricate the lip before installation and use a support tube to avoid damaging the sealing edge. For high-speed or extreme-temperature operation, ask about available material options.

If you need this seal or a cross-reference, send part number 8857 or the exact shaft, housing and height dimensions. The team can review alternatives and confirm a compatible option for your equipment. MR Industrial Accessories LLC supplies these components to customers across the United States and in several Latin American countries.

To request a quote for the DBH 8857 oil seal, contact us via WhatsApp or email with the part number. We respond promptly with technical information and can help you choose the right seal or an equivalent. Factories and maintenance teams rely on us for direct assistance.