Babbitt Bearing Grade 6 + Copper Hard Alloy Ingot. Rotometals.com. MSRP: Now: $40.19. Was: Sold by the ingot.Babbitt Bearing Grade 6+ Copper Hard Alloy Ingot is a medium speed Babbitt metal consisting of approximately 51% Lead, 36% Tin, 12% Antimony and 1% Copper.