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Heavy Industry Makes Demands on Seals
From mining and construction to forestry and pulp and paper, heavy manufacturing and process industries are increasingly relentless in the demands that they place on plant and equipment. Not only does machinery have to be more reliable than ever before, to ensure that expensive production lines or operations are kept running at their optimum rate, it is also expected to last longer while functioning under ever tougher environmental conditions, with extreme temperatures and pressures, or at higher speeds.
The increased stresses placed on production and process equipment as a result of these demands can lead to often unexpected and expensive downtime, frequently caused by the failure of minor components, of which perhaps rubber or thermoplastic seals are among the most common. With research conducted by SKF while developing its New Life Theory showing that up to 14% of all premature bearing failures can be directly attributed to contaminants entering bearings via poorly designed or specified seals, the need to develop specialised components, specifically suited to heavy industry becomes clear.
Another recent seal material that is offering benefits in heavy industry is fluoro-rubber, or FKM, which combines outstanding levels of resistance towards heat, chemicals, ageing and ozone, with very slight gas permeability. It has exceptionally good wear characteristics, even under harsh environmental conditions, and can withstand operating temperatures of up to +200
| Product Model | Inside Diameter | Outside Diameter | Thickness |
| GE50UK-2RS bearing | 50 | 75 | 35 |
| GE45UK-2RS bearing | 45 | 68 | 32 |