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            No. 100, B Style, 1.938" Finished Bore
All dimensions are nominal values and for reference only
All dimensions are nominal values and for reference only
                    Unit of Measure
                    
               
        
            Specifications
                                                                                Hub Diameter | 
                                                                        N/A 4.500 in | 
                                                                                LTB | 
                                                                        N/A 2.000 in | 
                                                                                Style | 
                                                                        N/A B | 
                                                                                No. Teeth | 
                                                                        N/A 21 | 
                                                                                Outside Diameter | 
                                                                        N/A 9.040 in | 
                                                                                Pitch Diameter | 
                                                                        N/A 8.388 in | 
                                                                                Caliper Diameter | 
                                                                        N/A 7.613 in | 
                                                                                Finished Bore Diameter | 
                                                                        N/A 1.938 in | 
| Max. Bore1 | N/A 3.000 in | 
                                                                                Weight | 
                                                                        N/A 14.300 lb | 
                                                                                Tooth Nominal Width | 
                                                                        N/A 0.692 in | 
                                                                                Hardened Teeth | 
                                                                        N/A Yes | 
                                                                                Industry Equivalent | 
                                                                        N/A 100BS21 1 15/16 | 
                                                                                UPC Code | 
                                                                        N/A 097039595652 | 
- 1 Dimensions shown allow for standard keyway with set screw at 90°.