NORDICTRACK Treadmill Rear Roller - 7600R E3500 E3700 E3800 E4400

A great pull which works great. Tested. Taken from a fully operational treadmill.
No radial or axial play. Spins without any noise.
Dimensions:Shaft Length: 23-1/4"Shaft Diameter: 2/3"Drum Length: 20-1/2"Drum Diameter: 2-1/2"
Shipping:I ship items the same day if paid before 4PM Eastern Time.On Saturdays, I ship if paid before 11AM Eastern Time.It doesn't mean I just print the shipping label the same day.It means that your item will be in carrier's possession the same day.
Compatible Models:(from Fitnessrepairparts web site)
Disclaimer: this list is not guaranteed to be accurate - errors happen sometimes. It is only provided here for quick search.So PLEASE measure your roller carefully and compare to the dimensions above which are the actual dimensions of the roller, and are authoritative. You will not be able to return the roller if you only go by the table below.
NordicTrack®
7600R - NTL22841E3500 - 831.294140E3500 - 831.294142E3500 - NTL17940E3500 - NTL17941E3500 - NTL17942E3700 - GNTL228040E3700 - NETL95130E3700 - NETL95131E3700 - NETL95133E3700 - NETL95134
E3800 - 831.293160E3800 - 831.293161E3800 - 831.293162E3800 - NCTL19920E3800 - NTL19920E3800 - NTL19921E3800 - NTL19922E4400 - 831.293290E4400 - 831.293291E4400 - NTL24820E4400 - NTL24821