Roller for in-furnace conveyance

摘要

A roller for in-furnace conveyance (1) which is provided with a fitting section (30) in which a fitting hole (11) of a body section (10) and a fitting shaft (24) of a shaft section (20) are fitted, and which constitutes a single roller by welding of the fitting section, wherein the fitting section has a first fitting section (31) in which fitting occurs with a prescribed interstice at a position separated from the weld position, and a second fitting section (32) in which fitting occurs with an interstice larger than that of the first fitting section at a position adjacent to the weld position.