Item # | 
                        
                            No. Teeth | 
                        
                            Stock Bore | 
                        
                            Max. Bore | 
                        
                            Pitch Diameter | 
                        
                            Hub Diameter | 
                        
                            Style | 
                                                        
|---|---|---|---|---|---|---|
| US-64SC19 | N/A 19 | N/A 1.500 in | N/A 3.940 in | N/A 15.189 in | N/A 6.500 in | N/A Type C | 
| US-64SC21 | N/A 21 | N/A 1.500 in | N/A 3.940 in | N/A 16.774 in | N/A 6.500 in | N/A Type C | 
| US-64SC24 | N/A 24 | N/A 1.500 in | N/A 3.940 in | N/A 19.153 in | N/A 6.500 in | N/A Type C | 
| US-64SC30 | N/A 30 | N/A 1.500 in | N/A 4.440 in | N/A 23.917 in | N/A 7.000 in | N/A Type C | 
| US-64SC36 | N/A 36 | N/A 1.500 in | N/A 4.440 in | N/A 28.684 in | N/A 7.000 in | N/A Type C | 
| US-64SC42 | N/A 42 | N/A 1.500 in | N/A 5.440 in | N/A 33.454 in | N/A 8.000 in | N/A Type C | 
| US-64SC48 | N/A 48 | N/A 1.500 in | N/A 5.440 in | N/A 38.224 in | N/A 8.000 in | N/A Type C | 
| US-64SC54 | N/A 54 | N/A 1.500 in | N/A 5.440 in | N/A 42.996 in | N/A 8.000 in | N/A Type C | 
| US-64SC60 | N/A 60 | N/A 1.500 in | N/A 5.940 in | N/A 47.768 in | N/A 9.000 in | N/A Type C |