Number of Teeth | 
                                                                        N/A 18 | 
                                                                                Dp - Pitch Diameter | 
                                                                        N/A 4.319 in | 
                                                                                Do - Outside Diameter | 
                                                                        N/A 4.705 in | 
                                                                                d - Plane Bore | 
                                                                        N/A 0.630 in | 
| Max. Plain Bore1 | N/A 2.047 in | 
                                                                                Pitch | 
                                                                        N/A 3/4 in | 
                                                                                Caliper Diameter | 
                                                                        N/A 3.843 in | 
                                                                                Dr - Roller Diameter | 
                                                                        N/A 0.475 in | 
                                                                                Inside Width | 
                                                                        N/A 0.460 in | 
                                                                                Style | 
                                                                        N/A S | 
                                                                                L | 
                                                                        N/A 1.969 in | 
                                                                                LTB | 
                                                                        N/A 1.378 in | 
                                                                                Nominal Tooth Width | 
                                                                        N/A 0.437 in | 
                                                                                T - Plate Thickness | 
                                                                        N/A 1.201 in | 
| Dh - Hub Diameter2 | N/A 3.150 in | 
                                                                                Wt. LBS | 
                                                                        N/A 3.73 lb |