The Barden 218HDH is a heavy-duty angular-contact ball bearing designed for spindle applications. Produced by Barden, a brand of the Schaeffler Group, the 218HDH is described as a precision ball bearing and appears in supplier catalogs as a sealed configuration in some listings. A representative listing notes the part's weight at 5.44 kg, underscoring its substantial size and rigidity for demanding machine-tool spindles. These bearings are used in high-precision spindle assemblies in machine tools, delivering the rigidity and precision required for demanding operations.
