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General, INA bearings will heat up in the beginning of the operation and, after a period of time, i.e. at a lower temperature (usually higher than room temperature 10 to 40 degrees) in the normal state. To the normal time, according to the bearing size, form, rotation speed, lubrication method, INA bearings around the exothermic conditions change, takes roughly 20 minutes to several hours.
Bearing temperature does not reach the normal and abnormal temperature rise, consider the following reasons, should also be shut down as soon as possible and take the necessary countermeasures.
Bearing temperature is essential to maintain proper bearing life and prevent the deterioration of the lubricating oil, it is recommended that: try to control (typically less than 100 degrees) is ideal to use in non-high-temperature state.
Abnormal temperature increase was mainly due
The lubricating oil is too much or too little.
Defective bearing installation.
Bearing internal clearance is too small, or the load is too large.
Sealing means friction is too large.
Lubricants do not match.
Creep of the mating face.
| Product Model | Inside Diameter | Outside Diameter | Thickness |
| 4T-HM801349/HM801310 NTN | 40.483 | 82.55 | 28.575 |
| 4T-543/532X NTN | 40 | 107.95 | 36.957 |