燡DB-1U
JDB-1U oil groove brass bushing. Based on high strength brass, lubricating by oil added in
the groove, which has the same performance with tin bronze bushing but with much higher hardness, the life time for low speed application is 2 times of tin bronze bushing. It can be used in heavy load condition.
It mainly used in the joint of grab which with high load, and in the huge gear box.
Base material: CuZn25AL6Fe3Mn3
Dynamic load limit: 100N/mm2
Hardness: HB210~270
Friction Coef.μ：<0.16
Speed limit(oil): 1.5m/s
Temperature max: 170℃
