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In order to determine whether removing TIMKEN bearings can be used to check after bearing wash, carefully check the Raceway surface, rolling, the status of the mating surfaces, cage wear, bearing clearance increases and there is no falling damage, abnormal dimensional accuracy. Non-separation of small ball bearings, inner rings with one hand supporting level, rotate the outer ring to confirm fluency.
When removing the TIMKEN bearings under repair, bearing first record appearance, confirm that the residual amount of lubricant, sampled after checking the lubricant, wash bearings. As a cleaning agent, ordinary gasoline, kerosene.
Removed bearing cleaning, heavy cleaning and light fine wash, respectively in the container, put a metal mesh bottom, TIMKEN bearings do not directly contact the dirt container. Coarse cleaning, if you make the bearings rotate with dirt will damage bearing rolling surface, should be noted. In crude oil cleaning, use a brush to grease removal, adhesive, after largely clean, fine wash.
Sperm washing, is rotate the TIMKEN bearings in cleaning oil side and carefully cleaned. In addition, cleaning oils to keep clean.
Oil bath lubrication is the most common lubrication methods in TIMKEN bearing, suitable for low and medium speed bearing lubrication. Bearings in part submerged in the tank, lubricating oil by the rotation of the bearing parts, then flow back into the sump oil level is slightly lower than the lowest rolling element Centre.
Oil lubricated bearing parts suitable for quantitative supply lubricating oil, oil drops of one drop every 3-8 seconds, too much oil will cause increased bearing temperature.
Pump filter oil transportation to the TIMKEN bearing part, by bearing lubricating oil filter again after cooling after use. Due to the circulating oil can take a certain amount of heat, to cool off the bearing, therefore bearing part of the law applicable to high speed.
Using dry compressed air sprayer mixed with lubricants to form oil mist, spray TIMKEN bearings, air can effectively cool the bearing and prevent intrusion. This method is suitable for high-speed, high-temperature lubrication of the bearing components.
Pump high pressure oil nozzles shooting to bearing, into oil the bearings in the bearing and the other end into the sump. The bearing during high speed rotation, rolling elements and cage with very high rotation speed of the surrounding air to form air, lubrication methods in general it is difficult to bring oil to the bearings, in which case you must use high-pressure lubricant spray to bearing, position of the nozzle should be placed between the inner ring and the cage Center!
| Product Model | Inside Diameter | Outside Diameter | Thickness |
| 7908CDF NSK | 40 | 62 | 12 |
| 7908A5DF NSK | 40 | 62 | 12 |