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INA Bearings noise is a bearing itself, that is, bearing the inherent noise; the other is the noise generated by the bearing capacity before, and bearing their own noise we introduce under the INA Bearing groove sound check and deal with the problem.
a) inherent noise: the raceways sound with a variety of angular contact ball bearings and rolling friction sound is inherent in the voice of INA bearings raceway sound is produced by the elastic properties of the rolling element and raceway contact, when the angular contact ball bearing swivel , the rolling body raceway rolling issued in a continuous and smooth sound; normal rolling friction sound may issue a "creak, creak like an uncomfortable metal friction unusual sound, not to issue such a well-oiled sound is not a problem under normal circumstances, only after the increase of the noise must be noted.
b) related to noise: manufacturing INA Bearing cage noise and vibrato, cage noise occurs mainly in the ball bearings and angular contact ball bearings, cage vibration and keep the frame and rolling element bearing swivel impact will sound the sound has a periodic vibrato (all kinds of bearings) is a certain frequency of sound, is due to the raceway surface of the larger waviness caused by vibration generated by this phenomenon is the most common problems in future we need a lot of attention to before.
c) use of improper noise: there are a variety of INA bearing raceway surfaces or rolling surface by bruising, pressure pit, rust, it will produce a certain period of noise and vibration when the angular contact ball bearings dust intrusion dirt, noise is generated when in operation. this noise is non-cyclical, also accompanied by vibration, the sound is not fixed in size, from time to time.
| Product Model | Inside Diameter | Outside Diameter | Thickness |
| 6344 NSK | 220 | 460 | 88 |
| 6244 NSK | 220 | 400 | 65 |