The Maxicam Spider Rack has a maximum weight capacity of 800 pounds.
This can hold 9 dumbbells ranging in weight from 5 to 50 lbs for a total of 450lbs
From http://www.chiefmfg.com/productdetail.aspx?ProductID=10772 ... the rack will hold a maximum weight of 175 lbs.
This rack does not have a maximum weight load listed as it is only for accessories such as jump ropes, cables and bar handles.
This rack is rated by the manufacturer as having a maximum capacity of 400 pounds of weight.
Unfortunately this rack is designed to hold only 10 pairs of dumbbells from 2.5 to 25 pounds with a maximum weight capacity of 25lbs.
The product's manufacturer rates the maximum supported amount of weight this rack can hold as 300 pounds.
I could not find a specific weight limit, but did see various reviews mentioning using the rack with over 400 pounds of weight.
The product description for this Maxicam dumbbell rack states that it will hold 6 pair or a maximum of 12 dumbbells of any standard weight, with no maximum capacity listed. This is a heavy duty rack weighing over 100 lbs.
This rack measures up at 41" inches tall and has a maximum weight capacity of 270 lbs.
The maximum weight of an 8 tier wire chrome mobile wine rack is 800 kg. You can purchase this type of rack from Display Sense at a cost of 278.89 Euros.
This weight rack will reliably hold up to 300 lbs.
This weight rack is said to hold up to 1500 pounds worth of hex dumbbells.