This is a A-700709851 Outer Tube Yoke PN: 700709851Main Description As Following : A-700709851 Outer Tube Yoke P.N: 700709851 New outer tube yoke, size 6 CV. Yoke has 54 mm I.D. (inside diameter). Replaces Bondioli & Pavesi No. BP215066854. Fits Case-IH, Hesston, and New Idea round balers. Stocked As: A-BP215066854 Found in Section & Models : Driveline (by application) > Driveline Components, Case-IH BALER, ROUND: 8450, Case-IH BALER, ROUND: 8455 ((SN