DBH 5912 radial shaft seal — 120 x 147.5 x 14

DBH 5912 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 5912 and any equivalents.

A radial shaft seal identified as DBH 5912, built in Lz design, closes the gap where a rotating shaft passes through a fixed housing. Its three reference measurements are 120 mm at the shaft, 147.50 mm at the housing bore and 14.00 mm in height. The lip holds lubricant in and keeps dust, water and grit out. Because the lip runs against the shaft, it wears over time and is treated as a replacement item once leakage or contamination shows up.

Reading the designation helps when you order. The number 5912 identifies this seal, while DBH refers to the seal family and Lz describes how the lip and outer body are shaped. The body presses into the housing bore; the lip rides on the shaft. Shaft 120 mm, housing 147.50 mm, height 14.00 mm. Fit and sealing both depend on those three values staying within tolerance, so treat them as the starting point of any selection.

Seals in this size range turn up in gearboxes, pumps, speed reducers, rollers and other transmission equipment. Two jobs are done at once: oil or grease stays inside the assembly, and outside contamination stays out. On a plant floor the usual signs of a tired seal are lubricant streaks near the housing, rising oil consumption, or noise coming from the bearing close by. Catching it early protects the shaft surface and the bearings from further damage.

Before ordering a replacement, confirm the shaft diameter, housing bore and height against the old part, and inspect the shaft where the lip contacts it. A scored or worn track will not seal properly even when the dimensions are right. The Lz lip has a defined orientation; installing it the wrong way round can cause the seal to fail. Lightly lubricate the lip before pressing it in and keep the seal square while seating it.

If the exact size is not listed or you need a substitute, send the code 5912 or the measurements taken from the old seal. Our team compares them against the manufacturer's data sheet and looks for an option from the same series. Details such as diameters, height, lip type and the equipment it runs on speed up confirmation. Alternatives from other brands we supply can also be reviewed.

Quotes are handled by WhatsApp or email: send the code and dimensions and you will get a prompt reply with the options that fit your equipment. MR Industrial Accessories LLC supplies seals and oil seals for industrial maintenance and assists with selection so the repair is done right the first time.