Description:

The mounting hardware (1/4" shaft key, bolts, and nuts) is included.. Outer diameter: 4". Bore diameter: 1". Length: 3/4". 7/16" mounting hole distance (across): 2-7/8". 7/16" mounting hole distance (side by side): 2".. 1/4" mounting hole distance (across): 3-1/4". 1/4" mounting hole distance (side by side): 2-1/4".