Ntn bearing disassembly and assembly protection method

**NTN Bearing Disassembly and Assembly Protection Method** Home > Bearing Knowledge > NTN Bearing Disassembly and Assembly Protection Method Source: China Bearing Network | Time: February 14, 2014 --- Improper handling of NTN bearings during installation or removal can lead to damage and reduced performance. To ensure the longevity and proper function of NTN bearings, it is essential to follow correct disassembly and assembly procedures. When removing an NTN bearing, always start by loosening the bolts that secure the bearing. It’s important to remove one side first while keeping the other side slightly loose to prevent damage caused by excessive force. Use an Allen key to loosen the locking screw and the retaining sleeve. A small iron rod can be used to gently tap the sleeve on the rotating shaft, helping to gradually release the bearing. For proper installation, the process should be done carefully. Begin by hand-tightening the bearing onto the shaft. Then, use a small iron rod or a suitable tool to tap the bearing along the axis with a hammer. This ensures even pressure and prevents damage to the inner race. Finally, tighten the hex screw securely. When fixing the NTN bearing, do not fully tighten the bolt initially. Allow the bearing sleeve to rotate freely inside the housing before tightening the bolt to its final position. Install the bearing seat and rotate the shaft several times to help the bearing align itself properly. Before assembling the NTN bearing, make sure the shaft is clean and free from rust. Apply a thin layer of lubricating oil to the shaft surface to ensure smooth operation. The bearing should be pushed onto the shaft until it reaches the desired position. Always avoid direct contact with the bearing’s inner and outer rings, as this can cause damage to the rolling elements or the cage. Never attempt to pry or forcefully remove the bearing without using the proper tools. By following these steps, you can protect your NTN bearings and ensure their optimal performance. Proper installation and maintenance are key to extending the life of any bearing system. --- **Related Bearing Knowledge** - Rolling Bearings and Their Outer Ring Fit - NTN Bearing Application Requirements and Common Faults - Basic Knowledge of Tumbling Bearings and Variable Speed Bearings This article was originally published on China Bearing Network. Please visit [China Bearing Network](http://www.chinabearing.net) for more information. Previous: The Appearance and Quality of the Bearing's Outer Layer Next Edit: INA Bearing Model Code

Bearing Housing

Bearing housings are modular assemblies designed to make it easy to install bearings and shafts, while protecting bearings, extending their operating life and simplifying maintenance.

Housings are available in many sizes, and generally fall into five standard categories: split plummer (or pillow) block housings, non-split plummer block housings, flanged housings, take-up housings and two-bearing housings. These products can be designed to meet specific duty requirements such as load, speed and operating environmental conditions.

Non-standard bearing housing designs can also be supplied to particular customer requirements: for example, where special shaft centre heights, unusual sealing arrangements or non-standard materials of construction may be specified.

If ease of installation and maintenance are prime considerations, then split plummer block housings are an excellent choice as they not only accommodate pre-assembled shafts, but also simplify bearing inspections and maintenance as the shaft does not need to be disassembled. These units are designed for self-aligning ball bearings, spherical roller bearings and CARB toroidal roller bearings. Non-split plummer block housings are preferred when there are heavy loads acting in a direction other than toward the support surface. They are also used when the housing has to be mounted from the end of the shaft.

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