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FB-092 Bronze cloth hole bearing
FB-092 bronze rolled bearings are made of tin bronze alloy CuSn8. The working surface is uniformly arranged with lubrication holes at a certain angle and density, which can easily form an oil film during start-up and reduce the starting friction coefficient. It has good fatigue strength bearing capacity, corrosion resistance, and wear resistance. This series of products is widely used in high load and low-speed applications such as agricultural machinery, construction machinery, and engineering machinery.
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  • Product advantages
    1. Save a large amount of copper materials and save labor hours for making copper sleeves for vehicles
    2. Compared with car made shaft sleeves and rolling bearings, it is lighter in weight and lower in cost;
    3. It can process various cavities, pits, and store a certain amount of grease on the friction surface, extending the refueling time by 5 times compared to copper sleeves;
    4. Extremely high load-bearing capacity, especially suitable for rough friction surfaces;
    Products available: straight sleeve, thrust washer, flanged sleeve, bearing shell, sliding plate, steel sleeve assembly.
  • Technical specifications
    Overall characteristics Value Unit
    Basic information
    Code name FB-090  
    Material name CuSn8P(Qsn8-0.3)  
    Main application areas Agricultural machinery, construction machinery, engineering machinery, etc.
    Density 8.8 g/cm³
    Maximum dynamic load 120 N/mm²
    Maximum linear velocity (grease lubrication) 2.5 m/s
    Maximum PV value (grease lubrication) 2.8 N/mm²·m/s
    Tensile strength >460 N/mm²
    Yield strength >280 N/mm²
    Hardness HB 90~150 HB
    Matching axis
    Hardness HRC ≥50 HRC
    Roughness 0.4~1.0  
    Applicable temperature -40~150
    Coefficient of friction 0.06~0.15  
    Thermal conductivity 58 W/(m·K)
    Linear expansion coefficient (axial) 18.5×10-6 /K
  • Standard liner tolerance
    Standard Dia. O.D.Size Housing Bore I.D.Size Matching Shaft Diameter
    10~18 +0.065
    +0.030
    +0.018
    0
    +0.046
    0
    -0.016
    -0.043
    18~30 +0.075
    +0.035
    +0.021
    0
    +0.052
    0
    -0.020
    -0.020
    30~50 +0.085
    +0.045
    +0.025
    0
    +0.062
    0
    -0.025
    -0.064
    50~80 +0.100
    +0.055
    +0.030
    0
    +0.074
    0
    -0.030
    -0.076
    80~120 +0.120
    +0.070
    +0.035
    0
    +0.087
    0
    -0.036
    -0.090
    120~180 +0.170
    +0.100
    +0.400
    0
    +0.100
    0
    -0.043
    -0.106
    180~250 +0.210
    +0.130
    +0.046
    0
    +0.115
    0
    -0.050
    -0.122
    250~315 +0.260
    +0.170
    +0.052
    0
    +0.130
    0
    -0.056
    -0.137
FB090
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