Product review (2 stars): Not what I needed
If your roller went out because the bearing is fried and it started clunking then these roller assemblies are NOT the solution. You need the ones that are mounted on the shaft and bearing that cost about twice the price. These rollers did seem very slightly different from the original.

I ended up purchasing from appliance parts warehouse, replaced all four and the dryer is quiet like new once again. Also replaced belt and idler pulley. If I knew better at the time I would have replaced the idler assembly as the pulley is mounted on a bushing that spins on the shaft and it would have been better to replace the whole deal.