SKF has launched a new range of Extended Life spherical plain bearings and rod ends. These bearings, which are aimed primarily at applications in the farm, forestry and construction sectors are virtually maintenance-free, which means that they do not need to be relubricated. SKF Extended Life spherical plain bearings help reduce the cost of ownership and reduce environmental impact because they last longer and do not require relubrication. For example, a single bearing with a 100mm bore can save up to 876g of grease per year. A tractor with six bearings of this type and size can save up to 5.2kg of grease per year. This translates into a savings of 7.7kg of CO_(2e) per year. The calculations are based on grease savings and do not include the 37% reduction in frictional losses. "The tribological system, which includes special surface treatments, grease and seals, combined with the internal geometry of the bearing is what makes these bearings so robust and energy efficient," says Juergen Scholer, SKF plain bearings product manager.
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