Roller especially drive roller for welding wire feed device with slot-shaped recess and inserted piece element useful in welding technology can be fixed simply and reliably to shaft

摘要

A roller, especially a drive roller for a welding wire feed device with a slot-shaped recess (43) and a bearing bore (44)(sic) for setting a shaft (45) in the roller center, an inserted piece element (42) and a means for fixing to the shaft (45). The inserted piece element has a centering surface (47) for centering the roller on the shaft.