- Out-of-Stock
 
        
          
		  
        
          
                
                
              
            
           
         
           
           
           
           
           
          Orders placed before 3PM ET will be shipped out the same day!
| Inner Diameter: | 1" | 
| Keyway: | 5/16" | 
| Outer Diameter: | 4-1/2" | 
| R.P.M.: | 5250 | 
7S1
7S1.000
UPC:685144