| Number of Teeth | N/A 21 | 
| Dp - Pitch Diameter | N/A 4.193 in | 
| Do - Outside Diameter | N/A 4.520 in | 
| d - Plane Bore | N/A 0.630 in | 
| Max. Plain Bore1 | N/A 2.008 in | 
| Pitch | N/A 5/8 in | 
| Caliper Diameter | N/A 3.795 in | 
| Dr - Roller Diameter | N/A 0.4 in | 
| Inside Width | N/A 0.38 in | 
| Style | N/A E | 
| L | N/A 1.772 in | 
| LTB | N/A 0.984 in | 
| Nominal Tooth Width | N/A 0.361 in | 
| T - Plate Thickness | N/A 1.004 in | 
| Dh - Hub Diameter2 | N/A 2.992 in | 
| Wt. LBS | N/A 2.60 lb | 
