With hydraulic nuts, bearings of all sizes can easily be mounted and dismounted on tapered seats. Reliable, easy to use and treated against corrosion, they are available in diameters from 50 to 1000 mm. Nuts greater than or equal to HMV 60 EBF are supplied with a lifting eye bolt. NTN-SNR also offers the necessary associated accessories according to the type of operation. Hydraulic nuts feature NTN-SNR's patented BACK & FORTH design (automatic return of the piston).