Internal locking elements (sprags) lock to transmit torque in ...            
            
            
        
                A pillow block usually refers to a housing with ...            
            
            
        
                A pulley is a wheel on an axle that ...            
            
            
        
                A retaining ring is a fastener that holds components ...            
            
            
        
                A rod end bearing is a mechanical articulating joint. Such joints ...            
            
            
        
                Roller chain or bush roller chain is the type ...            
            
            
        
                The roller follower with a thick-wall outer ring and ...            
            
            
        
                RTV silicone gasket maker is a specialized adhesive and ...            
            
            
        
                Oil seals - often called grease, fluid or dirt ...            
            
            
        
				
        
        
        
        
        
        
        