Package of 5 Sintered Iron shaft axle bushings .625" tube 5/16" shaft diameter

Condition:
New

Brand:
NIL

Model:
bushings

No clue as to what these are actually made for. I'm guessing on the Sintered Iron and the bushing part too. I'm thinking with the oil grooves and the flanged top, this is a good chance. .535 thick, flange is .285" thick, press in is .529" and the hole is .310"