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K781

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  • K781
K781 - Bronze Bushing
  • General Features
  • Technicial Specifications
   Kastaş No d(f7) D(H7) L S3
 K781-045 45 50 30 2,483
 K781-050 50 55 30 2,483
 K781-050/1 50 55 40 2,483
 K781-060 60 65 20 2,483
 K781-060/1 60 65 30 2,483
 K781-060/2 60 65 40 2,483
 K781-060/3 60 65 50 2,483
 K781-060/4 60 65 60 2,483
 K781-070 70 75 30 2,483
 K781-070/1 70 75 40 2,483
 K781-075 75 80 30 2,465
 K781-075/1 75 80 40 2,465
 K781-080 80 85 30 2,465
 K781-080/1 80 85 40 2,465
 K781-080/2 80 85 50 2,465
 K781-085 85 90 30 2,465
 K781-085/1 85 90 40 2,465
 K781-090 90 95 30 2,465
 K781-090/1 90 95 40 2,465
 K781-090/2 90 95 50 2,465
 K781-090/3 90 95 60 2,465
 K781-095 95 100 30 2,465
 K781-095/1 95 100 40 2,465
 K781-095/2 95 100 50 2,465
 K781-095/3 95 100 60 2,465
 K781-100 100 105 30 2,465
 K781-100/1 100 105 40 2,465
 K781-100/2 100 105 50 2,465
 K781-100/3 100 105 60 2,465
 K781-105 105 110 50 2,465
 K781-105/1 105 110 60 2,465
 K781-110 110 115 50 2,465
 K781-110/1 110 115 60 2,465
 K781-115 115 120 60 2,465
 K781-120 120 125 50 2,440
 K781-120/1 120 125 60 2,440
 K781-120/2 120 125 70 2,440
 K781-125 125 130 50 2,440
 K781-130 130 135 60 2,440

  Kastaş K781 bushings particularly appropriate for high temperature environment where machine must be successive on long period working condition. Bronze backing provides high performane even if PTFE side gets worn.

PRODUCT ADVANTAGES
• Due good thermal conductivity of bronze , it diverts heat.
• Due to good anti-corrosion ability of bronze it can be used in the feeble acid and alkali condition.
• High load resistance
 
MATERIAL STRUCTURE
PTFE with Fiber
Porous bronze
Bronze backing

   

TECHNICAL DATA
Max. Load Static Very low speed Rotating oscillating 250 N/mm² 140 N/mm² 60 N/mm²
Max. PV (dry running) Short-term operation Continuous operation 3.6 N/mm².m/s   1.8 N/mm².m/s
Temp. Limit -195°C~+280°C
Friction Coefficient 0.03~0.02 μ
Max. Speed Dry Running Hydrodynamic operation 2 m/s 5 m/s
Thermal conductivity 60 W(m.k)-¹
Coefficient of thermal expansion 18x10-6 .K-¹
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