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1, observed: high temperature of bearing lubrication and no debris and moisture to enter, show that the bearing oil seal not wear, if you open the original bearing box, visually check TIMKEN bearings and periodically check the oil seal. Check near the bearing oil seal condition to ensure they are sufficient to prevent the hot liquid, corrosive liquid and gas infiltration along the axis of the bearing oil seal, if damage should be replaced as soon as possible. Check the automatic lubricating system ensures that the oil or grease into the bearing, and ensure that the correct amount of added and check the lubricant is discolored or black, if this is the case typically lubricants contain impurities, the use of this can be harmful to the bearing.
2, listen: use hearing to identify irregular operation of a very common method. As with a screwdriver or electronic stethoscope to detect a streamlined abnormal noise is a certain experience of the operator and repair personnel often use. Bearings if it is good running condition will be issued a low hum sound, such as TIMKEN bearing issue is a sharp hissing sound, squeaking sound when you and other irregular, it may be that the bearing is already in a bad state of the operation.
3, touch: the high temperatures often bearing has been in an abnormal situation, lubricant on bearing is harmful, but caused by high temperature in the bearing lubricant bearing some time at high temperature, if the bearings at the temperature higher than 120 DEG C long-term operation will reduce bearing life. Causes of TIMKEN bearing high-temperature lubricants insufficient or excessive lubricant, lubricant contains impurities, heavy load, bearing damage, inadequate clearance and oil seal friction. Under normal circumstances, bearing lubrication lubrication in or after natural temperature rise and will last for a day or two.
(1). Check the cooling water pressure, flow and pipe system is normal. If low water pressure may be clogged filter, can not be timely treatment, can be shut down, when the confirmation work, and then put into use.
(2). The governor oil pressure should be checked, if oil pressure may lead to cooling water hydraulic valve closed.
(3). Check whether there is abnormal sound of bearing, and to detect whether there is abnormal high temperature swing bearing.
(4). The oil sampling observation of oil color is changing, and tests to see whether the metamorphism. If the confirmation deterioration, downtime should be replaced with new oil.
(5). Check the oil level is normal, if not normal, check the oil tank drain valve is closed. If you have secured, should fill oil, if it is a sealant gasket oil leakage, should stop processing.
| Product Model | Inside Diameter | Outside Diameter | Thickness |
| 200BTR10S NSK | 200 | 310 | 99 |
| 200BAR10S NSK | 200 | 310 | 99 |