Ball bearing, PTO front, with 1-1/8" & 1-3/8" shaft: All 9N, 2N, NAA models thru 1955. Replaces 9N715BC. (Mfr.#206) 9N715BC$5.99 Davis Tractor Parts Ford 8N Dept 24263 Antioch Rd. Andalusia, AL 36421 Phone: 334-222-7214 Fax: 334-222-0025 Email: parts@davistractor.com