Barrel Diameter2.81 inBolt Circle Diameter3-5/16 inBore Diameter55 mmFlange Diameter3-7/8 inFlange Thickness0.56 inHub Diameter4-3/4 in (Cast Iron)/4-1/2 in (Steel)Key IncludedNOKey way size (mm)16 x 4.3KeywayStandardKeyway Size0.63 x 0.17 inNumber of Bolt Holes3Overall Length1-15/16 inScrew Size5/16-18 x 2 inSuitable For Use WithQD Style Sheaves, Sprockets and PulleysTorque Rating7000 in-lbTypeFinished Bore
| Bore Size | 55 MM |
| Bushing Size | SK |
| Keyway | 16" x 4.3" |
| Material | Ductile Iron |