V-Groove Track Wheel 2645 lb Load Rating 1000 to 2999 lb 4 7/8 in Wheel Dia 2 in Wheel Width Steel Wheel/Tread Material Extra Hard Wheel/Tread Hardness Rating 190-230 BHN Wheel/Tread Hardness Precision Ball Wheel Bearing Type V-Groove Tread Shape For Axle Size 3/4 in 1 in Groove Width Not Included Includes Spanner Bushing Steel Wheel Core Material Yes Non-Marking 2 in Hub Length