American Roller Bearing ARA310H Cylindrical Roller Bearing

The American Roller Bearing ARA310H Cylindrical Roller Bearing is a large-diameter radial bearing from American Roller Bearing identified by the part number ARA310H. It is a cylindrical roller bearing, a design that uses cylindrical rollers between the inner and outer races to carry radial loads with high stiffness. The bore, outer diameter, and width for this model are 9.055 inches, 12.992 inches, and 8.110 inches, respectively, defining its mounting envelope and service fit. This specific ARA310H designation denotes a distinct size within American Roller Bearing’s catalog, suitable for replacement in equipment that uses inch-based componentry and requires precise part matching. Manufacturers and maintenance teams seeking a direct substitute or OEM-compatible component can use the ARA310H to ensure correct bore, OD, and width specifications when sourcing bearings for repair or upgrade projects. In general, cylindrical roller bearings deliver robust radial support and relatively low friction in rotating machinery, with performance tied to proper installation, lubrication, and sealing practices. For best results, confirm the ARA310H's dimensional tolerances and any recommended lubrication or finish requirements with American Roller Bearing or an authorized distributor.