DBH 5249 radial shaft seal — 17 x 35 x 8

DBH 5249 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 5249 and any equivalents.

A rotary shaft seal like the DBH 5249 keeps lubricant where it belongs and keeps contaminants out. It presses into the housing and its lip rides against the turning shaft, separating the oil side from the outside environment. The 5249 code covers a 17 mm shaft, a 35 mm housing bore and an 8.00 mm height, with the Lz lip configuration. MR supplies this brand and can help you confirm the size or an equivalent.

Reading the designation is the quickest way to check a replacement. The 5249 identifies the seal in the DBH line, and the three figures that matter are shaft 17 mm, housing 35 mm and height 8.00 mm. The Lz design uses a single lip with a spring, so it is a standard press-in part ordered by code rather than a custom piece.

You will run into this size on small centrifugal pumps, electric motors, gearboxes, compressors, machine tools and transmission units, wherever a rotating shaft passes through a housing wall. Agricultural equipment and process lines that need to avoid grease or oil loss are also common applications. In dirty or wet surroundings, it pays to check that the lip style suits the conditions before ordering.

Installation comes down to three checks. The shaft surface should be free of burrs and wear at the contact point, the housing bore should be clean and unmarked, and the lip should be lubricated before it goes in. Drive the seal in squarely using a tube or driver that presses on the outer ring, not the lip. Where the shaft has a shoulder or groove, a sleeve over it protects the lip during fitting. After installation, spin the shaft to confirm the seal runs true and turns freely.

If the size you need is different, or you want an alternative from another brand, send the code 5249 together with your shaft, housing and height measurements. With those figures the DBH range and other options can be checked. We can also tell you whether the Lz lip suits your application or whether another design fits better. The more detail you provide about the equipment, the quicker the answer.

Send the code 5249 by WhatsApp or email and the team will come back with a quote. If you are unsure, include the shaft and housing dimensions and the working conditions, and we will review the options with you. MR serves customers throughout the United States and in several Latin American countries.