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SKF bearings design parameters: the number of rolling elements, including SKF bearings, rings and other wall thickness and clearance. SKF bearing parts manufacturing errors include: SKF bearing raceways and rolling elements surface roughness, crossing lines
Degrees and roundness deviation. Large number of experimental studies have shown that waviness of the bearing vibration dominates, while the surface roughness and roundness relatively small. SKF bearings and shaft and housing fits
Factors such as the installation of the deflection vibration of the bearing are also affected. Such as vibration and the spindle is horizontal or vertical; cooling conditions; sealing effect; the external environment. The following is a selection of grease several important factors: mechanical type; SKF bearing types and sizes; operating temperature; work load conditions; speed range; work.
SKF bearings during operation, is required to maintain seal SKF bearings and lubricants from external contamination barrier. Whether debris or moisture can not penetrate the SKF bearing, to avoid causing its destruction. Correct device home for maximum service life is to play SKF bearings important factor. At the same time, must pay attention to the cleanliness of the bearing, SKF bearing selection is correct and the choice of appropriate equipment and maintenance tools. In addition, the bearing must be to protect against contaminants and moisture contamination, and by means to ensure the correct and lubrication. Therefore, the design of the column with SKF bearings, oil seals condition, lubricant type and lubrication cycle, and even a dedicated home for all the same plays and important role.
Consistency of grease and lubricating ability is affected by the operating temperature of a temperature of SKF bearings must operate at the same temperature to select the correct consistency and good grease lubrication. Fat in a different temperature range to produce a substantially low temperature can be divided into, and the high temperature with the temperature of the grease. Meanwhile, the main distinction according to the temperature and working conditions: oil according to its permissible operating temperature classification. There is a class of fats known resistance to crushing or resistance to crushing and adding molybdenum disulfide, and wherein lubricant with additives to enhance the strength of the film.
| Product Model | Inside Diameter | Outside Diameter | Thickness |
| 7910A5DB NSK | 50 | 72 | 12 |
| 7309BDB NSK | 45 | 100 | 25 |