Rear Roller (Nautilus T 870 Treadmill)

Description

The Rear Roller for the Nautilus T 870 treadmill restores smooth walking belt tracking and consistent tension on compatible home treadmills. This essential piece of treadmill repair parts is designed for select Schwinn and Nautilus units, making it a practical fix when your original roller becomes noisy, worn, or damaged.

• Fits Schwinn 870 treadmills including model 100403 and 100519.
• Replaces rear roller part number 8005199; sold here as SKU 8005199-4.
• Also used on related Schwinn models such as 830, 8.0T, 8.5T, and select Journey 8.0/Journey 8.5 treadmills.
• Cross-brand compatibility may include Nautilus models like T614, T616, T624, T626, T684, and T686; always match your original part number before ordering.

This nautilus t 870 treadmill rear roller replacement helps maintain proper rear belt support so the walking belt runs straighter and more quietly during use. Built as an OEM-style replacement for part 8005199, it is intended to match the fit and function of the original factory-installed component. A worn or bent schwinn rear roller can contribute to belt drift, uneven wear, or vibration at the back of the deck, so replacing it can be an important step in a complete treadmill service. Installation is generally a moderate DIY repair that may require loosening the walking belt, transferring hardware, and re-centering belt tension after assembly.

Choose this OEM-quality replacement for dependable fit and performance. Easy DIY installation and ships same day from our warehouse.