DBH 5557Sil radial shaft seal — 42 x 56 x 7

DBH 5557Sil 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 5557Sil and any equivalents.

The 5557Sil from DBH is a radial shaft seal built for rotating shafts. It keeps oil or grease where it belongs and blocks dust, water and particles from working their way into the housing. Its measurements are 42 mm at the shaft, 56 mm at the housing bore and 7.00 mm in height, and it comes in the Lz Sil design. MR Industrial Accessories supplies this brand and can help you confirm the right seal for your equipment.

The part is listed as a DBH radial shaft seal under part number 5557Sil. The figures to match against your equipment are shaft 42 mm, housing bore 56 mm and overall height 7.00 mm. The Lz Sil designation refers to a defined lip and geometry arrangement made to run against a rotating shaft. Because the seal sits in direct contact with both the shaft and the housing, those three measurements need to line up exactly with what the machine calls for.

You will find seals like the 5557Sil in gearboxes, pumps, electric motors, conveyor rollers and other assemblies with rotating shafts. They do two jobs at once: holding lubricant inside the assembly and keeping dirt and moisture out. In shops where dust, chips or coolant are present, a seal that is still doing its job helps bearings reach their expected service life and keeps unplanned stoppages off the schedule.

Before pressing a seal in, look over the shaft for burrs or wear and make sure the housing is clean and free of dents. Lubricating the lip first helps it seat without damage, and the installation tool should press on the outer edge rather than the lip itself. Rotation speed, operating temperature and the fluid being retained all factor into the selection. When the shaft shows a pronounced groove, shifting the seal slightly or moving to a wear sleeve is sometimes the better route.

If you are after an equivalent to the 5557Sil, the fastest path is to send the original part number, a photo of the part and caliper measurements. With that in hand we can search alternatives within the same brand or across the other lines we carry, and we can tell you whether a variant with similar characteristics is worth evaluating.

To get a quote on the DBH 5557Sil oil seal, message us on WhatsApp with part number 5557Sil and the quantity you need. MR Industrial Accessories comes back with the technical and commercial details so your maintenance work can keep moving.