cast bronze bearing bush Max load N/mm2 100Material: Brass,graphite Temp.: -40?°C-+300?°C Product Details:Material Compostion and Properties Grade JDB(500#) JDB(500#S1) JDB(500#S2) JDB(500#S3) JDB(500#S4) JDB(HT250) JDB(Gcr15) Material CuZn25Al5Mn3Fe3 CuZn25Al5Mn3Fe3 CuAl9Fe4Ni4Mn2 CuSn5PbZn5 CuSn12 HT250 Gcr15 Density 8 8 8.5 8.9 9.05 7.3 7.8 Hardness HB >210 >250 >150 >70 >80 >190 HRC>58 N/mm2Tensile strength >750 >800 >800 >200 >260 >250 >1500 Elongation% >12 >8 >15 >10 >8 >5 >15 Coefficien of linear expansion 10-5/°C 1.9 1.9 1.9 1.8 1.8 1 1 Limit Temp.°C -40~+300 -40~+150 -40~+400 -40~+400 -40~+400 -40~+400 -40~+400 Max.load N/mm2 100 120 150 60 70 80 200 m/min Max.speed (Dry) 15 15 20 10 10 8 5 PV Max.PV N/mm2*m/min 200 200 60 60 80 40 150 300N/mm2 <0.01 <0.005 <0.04 <0.05 <0.05 <0.015
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