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INA bearings role is to make bearings of the geostationary ring and rotating ring separately with mount still local (usually INA housings) and rotating parts (usually the axis) with consolidation, thus achieving transmit loads and qualify in a rotating motion system relative to the stationary system of basic tasks. And INA bearings on shafts, rolling bearing requirements in a radial, axial and tangential direction three fixed its position. Radial and tangential position through the tight fit mining implementation of INA bearing, axial position only in a few cases the use of tight fit; General axial limited parts, such as the end cap and retaining ring to limit the axial position in the context of clearance.
When choosing a tie should focus on the following 4 points:
1, INA bearing force uniform circumferential surface should have good support and, in order to reduce distortion and can give full play to the carrying capacity of the bearing.
2, ring cannot slide along tangent directions in the suit looks, this may damage the mating surfaces.
3, required the attention of INA bearing units and removal easier, expenditure when you cut corners.
4, the free end INA bearing the required energy and adapt to changes in the length of the shaft and housing bore, that is required to adapt the axial location in the ability to walk within a certain range.
| Product Model | Inside Diameter | Outside Diameter | Thickness |
| 240/1400CAK30E4 NSK | 1400 | 1950 | 545 |
| 240/1320CAK30E4 NSK | 1320 | 1850 | 530 |