Heavy Duty Dryer Drum Roller part number DE702HD.

3.25" in Diameter.

Replacement for numbers W10314173, W10314171, 3388342, 3389902, 3396801, 3396802, 3401846, 8536973, 8536974, PS11752609, W10756057, WPW10314173VP, B008DJVV26, B008DJTI8U, B00M9IE6CE, B00M9ICXPQ, B00M9IDX1E, B00M9IC2L6, B00M9IEP4S, B00M9IDYTU, B00M9ICOV4, B00M9IE8SG, B00ECV6GR4, B00M9ICM02, B008YDT68W, B00M9ICG2G, B0156NF62C, B008DJXE0I, B008DJTKH4, B008DK65R6, B008DJTINA. 

Designed to fit specific Whirlpool manufactured dishwasher  models including Amana, Jenn Air, Kenmore, Magic Chef, Maytag and Roper.