NAMBA March 2021 Web

Needle bearings are much more tolerant, but still have problems. Loose needles can skew; destroying the rod. Caged needles have a lower load carrying capacity and can suffer cage failures. Jim’s solution was to combine two needles in each cage slot with a very high strength cage. His needles were again hardened M-2 reamer blanks. PROPWASH March 2021 19 MB 40 Rod Allen Needle Bearing CNC Machining an MB 40 Rod