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SKF® large-diameter radial shaft seals for heavy-duty rotating machinery create effective barriers to retain lubricant and protect bearings from harsh contaminants and resulting potential damage. These seals with diameters larger than 8 in. (203mm) can operate in a wide range of speed, temperature, and environmental conditions to meet the most demanding and extreme application requirements. Large-diameter seals are offered in a variety of designs, configurations, and materials to accommodate heavy-duty equipment used in the metals, wind energy, construction, mining, and pulp and paper industries, among others.
Types in this extensive product line include HDS metal clad seals in several standard styles featuring a single sealing element and nitrile lip; high-performance HDL metal clad oil seals for especially severe conditions exhibiting high speeds and temperatures; and highly advanced EP-2000 metal clad grease seals providing aggressive contaminant exclusion by pumping contaminants away from the seal's springless lip.
All-rubber seal types include metal inserted SBF versions eliminating the need for a cover plate and fabric-reinforced HSF seals designed as solid round or with an open joint or split. Custom versions of all large-diameter seals can be developed to meet application needs.
| Product Model | Inside Diameter | Outside Diameter | Thickness |
| SCH2018P bearing | 31.75 | 41.275 | 28.58 |
| SCH1413P bearing | 22.225 | 30.162 | 20.64 |