NMB Minebea ball bearings are the world leaders in the manufacture of precision miniature ball bearings. ARHT7E(R) 7/16" x 1/2" Motorsport Ultra High Performance Stainless Rod End NMB. Lubricant = LY75 = SRI-2 Chevron, Mineral grease, -20 to +350 °F, Longer life under high speed/high temp.
eBay