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Will begin to produce the bearings exceeds a certain operating speed can not control the internal heat.
The speed limit with the bearing type, size, lubrication systems, bearing interior design, as well as work load varies. In addition, the speed limit will be based on the overall bearing seal used synthetic type (depending on the speed of the sealing contact area) changes.
The word "speed limit" generally refers to the estimated speed, and the number of revolutions per minute, the bearing will remain at this speed can be used state.
The general size of the table gives the limiting speed for grease and oil lubrication. This value is mounted on the horizontal axis, the proper lubrication operation, light load bearing foundation.
(1), maintain the bearing and its surrounding clean. Even the small dust of the eyes can not see, will a bad influence to the bearing. So, to keep the surroundings clean, so dust will not invade bearings.
(2) use caution. Given in the use of bearing a strong impact, will produce a scar and indentation, and the cause of the accident. Severe cases, it will fracture, fracture, and so must be noted.
(3), using the appropriate operating tool. Avoid replaced existing tools, you must use the right tools.
(4), to pay attention to the corrosion of the bearing. The operation bearing, hands sweat will become rusty. Pay attention to clean hands operation, it is best to try to wear gloves.
| Product Model | Inside Diameter | Outside Diameter | Thickness |
| 7948CTYNDBLP4 NSK | 240 | 320 | 38 |
| 7944A5TYNDBLP4 NSK | 220 | 300 | 38 |