Date: 2013-08-20

Analysis of the single direction needle roller bearings use specifications

Installation space can accommodate in one way of the single direction needle roller bearings needle roller bearings within the installed space focusing bearing due to the design of shaft system of axial rigidity and strength, usually determine the shaft diameter, bearing diameter. But the single direction needle roller bearings have a variety of dimensions and types, from which to choose the most suitable type of bearing.
Rotation precision rotation precision single direction needle roller bearings required type machine tool spindles, gas turbines and control machines seeks high rotation precision, high speed and low friction, you should use more than 5 precision bearings.
1, keep the bearings and the surrounding clean.
2, when used carefully: if used negligently to the single direction needle roller bearings to strong impact, bearing marks, creasing, fracture and other injuries occurred.
3, the use of appropriate tools.
4, the attention of bearing Rust prevention. In humid places should be avoided, and to not sweat stained, should wear gloves.
5, users should be familiar with the bearings.
6, developing bearing use job specifications:
1), bearing storage
2), the perimeter of the bearing and its cleaning
3), mount the size and quality of inspection
4), installation
5), after installation check
6), demolition job
7), maintenance (periodic inspection)
8) supplement, lubricants
Load single direction needle roller bearings the size, direction and nature of the load bearing loads varied, such as whether the size of the load, only the radial loads, axial loads are one-way or two-way, the degree of vibration or shock, and so on. After considering these factors, and then to select the most appropriate type of single direction needle roller bearings.
Analysis of the relative tilt of the inner ring and outer ring for bearing inner ring and outer ring to be relative inclination factors, bearing type and select to either adapt to the conditions of use. If the relative tilt of the inner ring and the outer ring is too large, one-way needle injury due to an internal load. Thus bearings can withstand such a tilt type should be selected.
Speed adapted to the mechanical speed of the bearing type bearings the speed limit not only takes on the bearing type or confined to bearing size, cage type, precision, scale, load conditions and lubrication method, therefore, these factors must be considered when selecting. Following most of the single direction needle roller bearings for high speed rotation: deep groove ball bearings, angular contact ball bearings, cylindrical roller bearings.

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