Leaded Bronze Lb4 Fasteners Specification
Leaded bronze LB4 also known as CuSn5Pb9 . Alloy LB4 can bear moderate loading, moderate to high sliding velocities and indifferent lubrication and dust or grit. Has good embed ability. Minimum shaft hardness HB 200 . This is used in Bearings requiring high to medium speeds but light loads. Bronze backing for Babbitt lined automotive bearings. .