These are stock parts — We also have Made-to-Order parts or  Contact Us
  
| No. of Teeth | Pitch Diameter | Plain Bore | Finished Bore | Hub Diameter | Length Through Bore | Keyway | Sprocket Weight | 
|---|---|---|---|---|---|---|---|
| 40 | 4.000 | .625" | .750" | 2.50" | 1.250" | .187" | 3.10lbs | 
    
    
      
  
    
    
    
	
	Left Hand     
    
    
    
    Hub One Side - With Bore, Standard Keyway and One Setscrew
Type B (with hub) are stocked with finished bore and stock bore for re-boring. All sizes have hardened teeth and are refinished after heat treating for improved accuracy and durability. Sizes not available from stock can usually be made-to-order.
For catalog part numbers ending in “R”, this designates a right hand Helical. For catalog part numbers ending in “L”, this designates a left hand Helical.”
**Add Suffix P to Catalog Number For Plain Bore 
            
                
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LSB Sprockets Bushings
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