Bearing overheating
Overheating is the biggest culprit of bearing failure, mainly because bearing heating is generally an alarm signal for abnormal machine operation. If not dealt with as soon as possible, it will cause chain reactions such as machine damage. Common causes of bearing heating are:
(1)Low bearing accuracy and improper selection
The bearing accuracy is not up to standard or there are differences in the selection. Because the machine cannot meet the best operating conditions, it will directly cause the bearing to heat up. Solution: Select the bearing with the specified accuracy grade required by the official.
(2)big vibration
For example, the alignment process of the coupling does not meet the requirements, the rotor has dynamic and static imbalance, the foundation rigidity is poor, the ground is weak, the rotational stall and surge.
During the operation of some rotors, due to the corrosion of the medium or the wear of solid impurities, or the bending of the shaft, an unbalanced centrifugal force will be generated, which will cause the bearing to heat and vibrate, and the raceway will be severely worn until it is destroyed.
(3)Insufficient cooling
Insufficient cooling usually manifests as: pipeline blockage, inappropriate selection of cooler, poor cooling effect, etc.
The cooler of the lubrication line is fouled and blocked, which will cause the cooling effect to deteriorate, especially in summer production.
The cooler is seriously fouled, and the bearing temperature is too high and frequent alarms are encountered in many production sites. A more effective solution is to pickle the cooler before summer every year.
(4)Improper installation
Improper installation is another important cause of bearing heating. Because the bearing is installed correctly or not, it has a direct impact on its life and the accuracy of the host, so the centerline of the shaft and the bearing hole must be coincident during installation.
If the bearing is installed incorrectly, the accuracy is low, and the bearing has deflection, torque will be generated during rotation, causing the bearing to heat up or wear. In addition, the bearing will generate vibration, increase the noise, and increase the temperature rise.
| Spherical Roller Bearings | |||
| Model | Size mm (dxDxB) |
||
| 21312-E1-XL | 60 | 130 | 31 |
| 21313-E1-XL | 65 | 140 | 33 |
| 21308-E1-XL | 40 | 90 | 23 |
| 24128-BE-XL | 140 | 225 | 85 |
| 22338-BE-XL-K | 190 | 400 | 132 |
| 21314-E1-XL-K | 70 | 150 | 35 |
| 21317-E1-XL-K | 85 | 180 | 41 |
| 21318-E1-XL-K | 90 | 190 | 43 |
| 21313-E1-XL-K | 65 | 140 | 33 |
| 21316-E1-XL-K | 80 | 170 | 39 |
| 22205-E1-XL | 25 | 52 | 18 |
| 22206-E1-XL | 30 | 62 | 20 |
| 23330-A-MA-T41A | 150 | 320 | 128 |
| 21315-E1-XL-K | 75 | 160 | 37 |
| 24030-BE-XL | 150 | 225 | 75 |
| 24032-BE-XL | 160 | 240 | 80 |
| 24040-BE-XL-K30 | 200 | 310 | 109 |
| 22208-E1-XL | 40 | 80 | 23 |
| 22209-E1-XL | 45 | 85 | 23 |
| 22210-E1-XL | 50 | 90 | 23 |
| 22207-E1-XL | 35 | 72 | 23 |
| 22213-E1-XL | 65 | 120 | 31 |
| 22212-E1-XL | 60 | 110 | 28 |
| 21316-E1-XL | 80 | 170 | 39 |
| 21310-E1-XL-K | 50 | 110 | 27 |
| 21311-E1-XL-K | 55 | 120 | 29 |
| 21315-E1-XL | 75 | 160 | 37 |
| 21318-E1-XL | 90 | 190 | 43 |
| 21309-E1-XL-K | 45 | 100 | 25 |
| 21317-E1-XL | 85 | 180 | 41 |
| 21308-E1-XL-K | 40 | 90 | 23 |
| 21312-E1-XL-K | 60 | 130 | 31 |
| 23322-AS-MA-T41A | 110 | 240 | 92.1 |
| 23324-AS-MA-T41A | 120 | 260 | 106 |
| 23326-AS-MA-T41A | 130 | 280 | 112 |
| 23340-A-MA-T41A | 200 | 420 | 165 |
| 23328-AS-MA-T41A | 140 | 300 | 118 |
| 22211-E1-XL | 55 | 100 | 25 |
| 238/670--B-MB | 670 | 820 | 112 |
| 22216-E1-XL | 80 | 140 | 33 |
| 22214-E1-XL | 70 | 125 | 31 |
| 22219-E1-XL | 95 | 170 | 43 |
| 22222-E1-XL | 110 | 200 | 53 |
| 22224-E1-XL | 120 | 215 | 58 |
| WS22213-E1-XL-K-2RSR | 65 | 120 | 38 |
| WS22218-E1-XL-K-2RSR | 90 | 160 | 48 |
| 23164-BEA-XL-MB1 | 320 | 540 | 176 |
| 23160-BEA-XL-MB1 | 300 | 500 | 160 |
| WS22216-E1-XL-K-2RSR | 80 | 140 | 40 |
| WS22215-E1-XL-K-2RSR | 75 | 130 | 38 |
| WS22217-E1-XL-K-2RSR | 85 | 150 | 44 |
| WS22222-E1-XL-K-2RSR | 110 | 200 | 63 |
| WS22220-E1-XL-K-2RSR | 100 | 180 | 55 |
| WS22226-E1-XL-K-2RSR | 130 | 230 | 75 |
| 23168-BEA-XL-K-MB1 | 340 | 580 | 190 |
| 23268-BEA-XL-K-MB1 | 340 | 620 | 224 |
| 24064-BEA-XL-MB1 | 320 | 480 | 160 |
| 23180-BEA-XL-K-MB1 | 400 | 650 | 200 |
| WS22308-E1-XL-2RSR | 40 | 90 | 38 |
| WS22210-E1-XL-K-2RSR | 50 | 90 | 28 |
| WS22218-E1-XL-K-2RSR | 90 | 160 | 48 |
| 23120-E1A-XL-K-M | 100 | 165 | 52 |
| 23222-E1A-XL-K-M | 110 | 200 | 69.8 |
| 23224-E1A-XL-K-M | 120 | 215 | 76 |
| 23232-E1A-XL-K-M | 160 | 290 | 104 |
| 23234-E1A-XL-K-M | 170 | 310 | 110 |
| 23218-E1A-XL-K-M | 90 | 160 | 52.4 |
| 23220-E1A-XL-M | 100 | 180 | 60.3 |
| 23028-E1A-XL-K-M | 140 | 210 | 53 |
| 22216-E1-XL-K | 80 | 140 | 33 |
| 22211-E1-XL-K | 55 | 100 | 25 |
| 22212-E1-XL-K | 60 | 110 | 28 |
| 22206-E1-XL-K | 30 | 62 | 20 |
| 22207-E1-XL-K | 35 | 72 | 23 |
-We have sufficient inventory to achieve fast delivery
-Please contact us by Email:molly@sunrises-group.com; WhatsApp:+8613520524683
