Dimensions: Rear Wheel Ball Bearing: Height: 132.4 mm - 5.2 in, Length: 165.7 mm - 6.5 in, Mounting Hole Distance: 70.7 mm - 2.8 in, Inner Diameter: 73.6 mm - 2.9 in, Rear Wheel Ball Bearing: Outer Diameter: 74 mm - 2.91 in, Inner Diameter: 40 mm - 1.75 in, Height: 40 mm - 1.57 in
We strongly suggest comparing the posted picture to the unit(s) that needs to be replaced.