Hydraulic nut SKF HMV 20E

SKF HMV 20E is a hydraulic nut reference, within Bushings and sleeves. Request a quote for HMV 20E via WhatsApp or email with the quantity you need; we respond promptly with lead time and equivalents.

The SKF HMV …E series hydraulic nut is a mounting and dismounting device that threads onto the shaft or adapter sleeve and generates oil pressure to expand the fitted part. It is used when the interference fit is too large to mount by impact or with a press, and allows work with control and without damaging the seat surfaces. MR Accesorios Industriales carries it as part of its mounting line.

The designation HMV …E is read as follows: HMV identifies the SKF hydraulic nut family, the number that follows indicates the thread size and the suffix E corresponds to the variant with a connection for pressurized oil. In the series examples, such as HMV 10E, HMV 12E or HMV 17E, the central number changes according to the thread diameter and the shaft range each model covers. To choose the correct one, you must match the nut thread with that of the shaft or sleeve where it is mounted.

These nuts are used in process industries, steel, cement, mining, paper and power generation, where large bearings are mounted with interference on shafts or adapter sleeves. They also appear in maintenance shops that dismount and remount rotating equipment: mills, gearboxes, fans, large pumps and paper machines. In Argentina they are common during plant shutdowns and in repair services for critical equipment, where mounting with a press is not viable due to size or access.

To select the nut, you must verify the shaft or sleeve thread, the diameter and pitch, and the expansion range the part requires. Mounting is done with hydraulic oil at the pressure specified by the manufacturer for that model; that pressure must not be exceeded and contaminated oils must not be used. Before mounting, clean the thread and the seat, check that the nut threads on by hand and check the alignment. Thread lubrication and sealing of the connection are key for the pressure to be transmitted without leaks.

As for equivalents, each manufacturer has its own nomenclature for hydraulic nuts and codes should not be cross-referenced by similarity. Interchangeability is defined by the thread, pitch, working pressure and expansion range, not by the trade name. If you have a nut from another brand, send us the thread data and the shaft or sleeve dimensions and we will help you find the equivalent SKF model within the HMV …E series.

To request a quote, send us by WhatsApp the complete code shown on the part or on the drawing, for example HMV 12E, along with the shaft or sleeve thread and a photo if possible. At MR Accesorios Industriales we cross-reference that data with the HMV …E series and confirm the model that corresponds. If you cannot find the code, tell us the thread diameter and pitch and we will locate it by size.

This description provides guidance on the product type. Check the configuration and dimensions of this reference.