Martin Q1 2 1/2 Standard MST Bushing, 2-1/2 in Dia Bore, 2.7657 in Small End/2.875 in Large End Dia Barrel, 4-1/8 in Dia Flange, 2-1/2 in OAL, Ductile Iron
MST® bushings are easy to install and remove. They are split through the barrel and have a taper to provide a true clamp on the shaft. They are keyed to both the shaft and the hub to help during "blind" installations.
Martin MST Bushing, Standard, 2-1/2 in Bore Dia, 2.7657 in Small End/2.875 in Large End Barrel Dia, 4-1/2 in Hub Dia, 3-3/8 in Bolt Circle, 4-1/8 in Flange Dia, 0.53 in Flange Thickness, 3 Bolt Holes, 3/8-16 x 1-1/4 in Screw, For Use With: MST® Sprockets and HQ1/HCQ1 Weld-On Hubs, 2-1/2 in Overall Length, 5/8 x 5/16 in Keyway, Ductile Iron
| Keyway Size | : | 5/8 x 5/16 in |
| Flange Thickness | : | 0.53 in |
| Bore Diameter | : | 2-1/2 in |
| Overall Length | : | 2-1/2 in |
| Material | : | Ductile Iron |
| Number of Bolt Holes | : | 3 |
| Screw Size | : | 3/8-16 x 1-1/4 in |
| Suitable For Use With | : | MST® Sprockets and HQ1/HCQ1 Weld-On Hubs |
| Type | : | Standard |
| Hub Diameter | : | 4-1/2 in |
| Bolt Circle Diameter | : | 3-3/8 in |
| Barrel Diameter | : | 2.7657 in Small End/2.875 in Large End |
| Flange Diameter | : | 4-1/8 in |