21315 CC/W33

The 21315 CC/W33 is a premium-grade spherical roller bearing engineered to manage heavy radial loads and moderate axial stresses in both directions. Featuring a 75mm bore, this model utilizes the "CC" design, characterized by two window-type steel cages and a flangeless inner ring with a floating guide ring centered on the inner ring. This specific internal geometry minimizes friction and heat generation, allowing for higher operating speeds and enhanced self-aligning capabilities that compensate for shaft misalignment or housing deflections without compromising service life.

Beyond its robust internal architecture, this bearing includes the standard W33 feature, which consists of an annular groove and three lubrication holes in the outer ring. This design facilitates efficient re-lubrication, ensuring the rolling elements remain adequately cooled and protected against wear in harsh industrial environments. Whether utilized in heavy machinery, mining equipment, or gearboxes, the 21315 CC/W33 offers exceptional durability and operational reliability, making it a critical component for reducing downtime in demanding power transmission applications.

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