Springs for Welger balers and round balers - Class. Springs for Welger wide round balers and round balers. Below are some tooth measurements: Spring length: 190 mm Wire diameter: 5mm Spring Width: 75mm Inner hole diameter: 39mm Hole outer diameter: 49mm Original reference codes: 0940.52.21.00, 0343-12, 0343-17 The detailed measurements of the spring for round balers and round balers are included in the image._x000D_Applications Welger - Class wide type Original code 0343-12 - 0343-17 - 0940.52.21.00 Springs length 190mm Springs width 74 mm Wire 5.0mm Hole 29mm Spring model Harvesting press Attack diameter 10.5mm