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Hydraulic Nuts

Hydraulic Nuts

Product catalog summary

Introduction
This document provides technical specifications and usage guidelines for NTN-SNR hydraulic nuts, designed for mounting and dismounting spherical roller bearings with tapered bores. The hydraulic nuts offer precise adjustment, reliability, and cost-effectiveness, reducing downtime during maintenance.

Key Features

Professional tool for drive-up force application.
Precise radial bearing clearance adjustment.
Unique back-and-forth design for ease of use.

Technical Specifications

Available in metric and inch sizes (1.967 to 37.410 inches).
Supplied with two hydraulic connection points and a quick coupling connection.
Includes a tommy bar and eye bolt for easy handling.
Special sizes available upon request.

Mounting and Dismounting Procedures

Screw the HMV onto the thread until contact is made with the bearing.
Connect the pump to the HMV.
Mount the dial gauge and set it to zero.
Activate the pump to achieve the desired displacement.
Release pressure and remove the HMV carefully.

Accessories and Kits

Dial gauges available in two sizes (050 & 100) for displacement measurement.
Adapter kits for dial gauges include four sizes.
Three pump kits available, each with a pressure gauge, high-quality hose, and hydraulic oil.

Operating Pressure

HMV 10 EBF to HMV 25 EBF: 700 bar
HMV 26 EBF to HMV 40 EBF: 550 bar
HMV 41 EBF to HMV 60 EBF: 450 bar
HMV 62 EBF to HMV 100 EBF: 400 bar
HMV 102 EBF to HMV 120 EBF: 350 bar
HMV 126 EBF to HMV 200 EBF: 300 bar

Selection Tables
The document includes tables for selecting the appropriate HMV based on shaft diameter, bearing bore, and sleeve type. These tables guide users in choosing the correct hydraulic nut for specific mounting and dismounting needs.

Conclusion
NTN-SNR hydraulic nuts are essential tools for efficient and precise mounting and dismounting of spherical roller bearings, offering a reliable and user-friendly solution for maintenance operations.

Catalog excerpts

Unique with its back & forth design 3 good reasons to use the hydraulic nuts from NTN SNR • The most professional tool to provide the drive up force required • Precise and reliable adjustment of radial bearing clearance • Cost effective, easy to use and secure, it will reduce your down time This document is the exclusive property of NTN-SNR ROULEMENTS. Any total or partial reproduction hereof without the prior consent of NTN-SNR ROULEMENTS is strictly prohibited. Legal action may be brought against anyone breaching the terms of this paragraph. NTN-SNR ROULEMENTS shall not be held liable for any errors or omissions that may have crept into this document despite the care taken in drafting it. Due to our policy of continuous research and development, we reserve the right to make changes without notice to all or part of the products and specifications mentioned in this document. © NTN-SNR ROULEMENTS, international copyright 2020. HMV technical data NTN-SNR ROULEMENTS - 1 rue des Usines - 74000 Annecy RCS ANNECY B 325 821 072 - Code APE 2815Z - Code NACE 28.15 www.ntn-snr.com DOC__HYDRAULIC_ARG2.GBa - Non contractual document - NTN-SNR Copyright International 03/2020 Printed in France - Photos : Pedro Studio Phot NTN SNR HYDRAULIC NUT A MUST FOR MOUNTING / DISMOUNTING NTN-SNR HYDRAULIC NUTS A MUST FOR MOUNTING / DISMOUNTING your spherical roller bearings with tapered

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Assemble or disassemble your spherical roller bearings with HMV in only 3 steps. WHAT IS YOUR NEED ? Mounting SELECT THE RIGHT HMV Using the selection tables available on request (overview here below) Tapered shafts For dismounting roller bearings on a tapered shaft, hydraulic pressure should be used through the shaft Example : 22313EK to be used with a withdrawal sleeve AND one HMV 15EBF a Screw the HMV on the thread until the bearing and Adapter sleeve HMV are in contact. Warning : Do not forget to grease the thread! d ctivate the pump until you reach the desired A displacement of the HMV (value...

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