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On bearing lubrication is important important issues around performance. Appropriate lubricant or lubricated way will greatly affect the life of the bearing.
The role of lubrication are as follows:
1), the various parts of the lubricating bearings to reduce friction and wear
2) remove the bearing internal heat generated due to friction or other reasons
3) the rolling contact surface of the bearing often form a suitable film and prolong the fatigue life of the bearing
4) bearing rust-proof and dust-proof
Grease lubrication
Filling a grease lubrication can be done grease for a long time without refilling, and the structure of the sealing means is also relatively simple and therefore widely used.
Grease in advance in a sealed-type bearing grease filling sealing manner, as well as to supplement or replace the filling for grease filling amount of grease inside the casing, every so often.
In addition, on many mechanical bearings need lubrication, also uses a pipeline connected to the lubrication at centralized greasing.
1) Grease filling volume
The grease filling volume within the housing with the housing structure and the volume vary, generally filled to a volume of 1/3-1/2 appropriate.
Filling volume is too large, the grease due to stirring fever deteriorated, aging and softening, should be noted.
Bearings for low-speed, in order to prevent the intrusion of foreign matters, and sometimes also filled to the volume of 2/3-1.
2) grease supplement and replace
Supplementary and replacement of grease close relationship with lubrication, no matter what methods must be used to clean grease, and pay attention to prevent the intrusion of foreign objects.
Additional grease daytime number for the same brand of grease.
Replenished with grease, is particularly important to ensure that the new grease into the interior of the bearing indeed.
| Product Model | Inside Diameter | Outside Diameter | Thickness |
| 7228ATYNP5 NSK | 140 | 250 | 42 |
| 7228A5TYNP5 NSK | 140 | 250 | 42 |