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		JF-720 
	
                        
	
	
	
	
                        
		
                        
			
			
                        
								
                        
					
                        
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                        JF-720
                        
					
                        
						    JF-720 bi-metal bushing is backing on low carbon steel, sintered with CuPb24Sn4 bronze powder, which has fairly good performance in anti-fatigue and load capacity, fit for middle speed and middle load working situation. When soft all					
                        
				
                        
			
                        
			
			
                        
				
                        
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