For oil-impregnated bronze stock, length does not establish bearing function.
Oil-impregnated bronze stock: faces
Boston Gear describes oil stored in Bost-Bronz pores.
Oilite warns some machining can smear surface pores supporting self-lubrication.
Fictional hollow-stock drawings: a sleeve bears on its bore; its cut end sets length. A thrust ring bears on its newly cut flat end.
Order
Fictional offers promise a specified bearing or only cut segments.
Do not price unspecified working-surface work at zero.
Discuss
Contact Jiurun with identified stock and its working-face drawing to discuss the circular-saw task.
Jiurun manufactures industrial aluminum and nonferrous circular-saw equipment. Suitability for this bronze, bearing manufacture, re-impregnation and material-trial services remain unverified.