|ASTM: B438 Grade 1, Type 2 Class A， Sint A50, Sint D50, Sint C50|
SAE 841 - Bronze Mil-B-5687 Type 1, Grade 1
Self-lubricating - when in motion oil rises to the surface for lubrication and restores itself when at rest.
Standard off-the-shelf oil impregnated bronze bearings should function satisfactorily in temperatures ranging from 10F to 220F.
Quality Standards: ISO9001
Quick Delivery: 15 Days