Item # 402044, Oilube Powdered Metal Bronze SAE841 Flange Bearings - INCH Standard stock products SAE 841-copper (87-90%), tin (8-9), carbon, other elements Powdered metal bronze providing interconnected reservoirs for oil Vacuum impregnated with SAE 30 oil during the manufacturing process (approx. 19% by vol.) Self-lubricating  when in motion oil rises to the surface for lubrication and restores itself when at rest Ideal for heavy loads at moderate speeds or light loads at high speeds  max Pv 50,000, P-Load 2,000, V-SFM-1,200 Effective in temperature range of +10F to + 175F with standard oil Available in oils for other temperature ranges on a made-to-order basis Standard tolerances vary by size. See items for specific tolerances RoHS, REACH, DFARS compliant