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Bearing the entire wheel is more complicated, and the structure of the workpiece must allow wheel beyond both ends of the machined surface a greater distance, so only suitable for mass production grinding structure to comply with the above requirements of certain parts. Some factory test proved the productivity of such a grinding method than the vertical mill method about can be increased about twice, sufficient accuracy can be obtained at the same time and a smaller surface roughness.
With such bearing grinding method, it is possible to improve production efficiency due to the reduced number of trips and the grinding wheel reasonable (the kibble with coarse trimming wheel, bearing Jingmo, trimmed with a fine grinding wheel).
Deep grinding wheel dressing into the front cone section, in order to gradually cutting margin, or cutting work is mainly concentrated on the outside corner of the grinding wheel, grinding wheel exterior angle quickly blunting the impact grinding efficiency and surface quality.
If not carefully align school after the bearing is installed on the alignment may lead to bearing to suffer additional load friction and vibration. These may accelerate fatigue and reduce the service life of the bearings and may cause damage to the period of use of other machine parts. In addition, the increase of vibration and friction may greatly increase the energy consumption and the risk of premature failure.
| Product Model | Inside Diameter | Outside Diameter | Thickness |
| 7209CTYNP5 NSK | 45 | 85 | 19 |
| 7208ATYNP5 NSK | 40 | 80 | 18 |