H2316 is a metric adapter sleeve (H-series) for SKF/FAG bearing assemblies, used to mount a bearing onto a shaft. The part number H2316 identifies a metric H adapter sleeve, with supplier catalogs listing dimensions as dxDxB 70x112x78 (DIN 630 reference appears in some listings). Manufactured by SKF or FAG, this sleeve is part of the standard H-series family used to adapt bearings to shaft diameters.
