Our SAE 841 Oil Impregnated Sintered Bronze products
conform to ASTM recommended dimensions and tolerances. After forming,
sintering and sizing, the bearings are vacuum impregnated with SAE 30
oil that provides lubricant which is metered from the bearing surface to
shaft during rotation.
B438 Grade 1, Type 2
Military Standard: MIL-B-5687D Type 1, Grade 1
SAE 841 Type 1, Class A