V-Groove Track Wheel 2500 lb Load Rating 1000 to 2999 lb 8 in Wheel Dia 2 3/4 in Wheel Width Steel Wheel/Tread Material Extra Hard Wheel/Tread Hardness Rating 188 BHN Wheel/Tread Hardness Roller Wheel Bearing Type V-Groove Tread Shape For Axle Size 1 in 1 3/8 in Groove Width Not Included Includes Spanner Bushing Steel Wheel Core Material Yes Non-Marking 3 1/4 in Hub Length