21308 EW SKF spherical roller bearing with cylindrical bore

Spherical roller bearings have two rows of symmetrical rollers, a common sphered outer ring raceway and two inner ring raceways inclined at an angle to the bearing axis. SKF Explorer rolling bearings accommodate higher load levels and provide extended service life. The optimized internal geometry reduces friction, wear and heat generation, allowing heavier loads to be accommodated. Advanced surface finish reduces friction and enhances lubricating conditions.