Dynabrade 54773 4" (102 mm) Dia. Extended Right Angle Type 27 Depressed Center Wheel Grinder, .7 HP, 12,000 RPM, 3/8"-24 Spindle 
Dynabrade 31666 Front Wheel Hub
$144.11
Front Wheel Hub for Take-About Sander: 52900
Front Wheel Hub for Take-About Sander: 52900
Wheel Specifications
Mfr. Part # 31666
Front Wheel Hub for Take-About Sander: 52900
Related products
Dynabelter Contact Arms
Dynabrade 11684 Dynabelter Contact Arm Assembly 4″ DIA X 5/8″ W., 40 Duro Serrated
$438.51