xxxJ9 The first 2 or 3 digits of the part nubmer is the belt length 190J9 is 19" Long Belts. The numbers after the J are the number of ribs along the belt width. 190J9 belt has 9 ribs

130J9 Poly-V 9 Rib Belt Black Rubber 13" Long

130J9 Poly-V Belt

130J9 Poly-V 9 Rib Belt Black Rubber Neoprene

  • Price: $14.99

140J9 Poly-V 9 Rib Belt Black Rubber 14" Long

140J9 Poly-V Belt

140J9 Poly-V 9 Rib Belt Black Rubber Neoprene

  • Price: $12.11