The Case IH ST877 is a genuine OEM ball bearing designed for critical applications across a wide range of Case IH agricultural and construction machinery. This high-quality bearing ensures smooth operation and reliable performance, contributing to the longevity and efficiency of your equipment. It is an essential component for maintaining optimal functionality in compatible models, including numerous tractors, combines, cotton pickers, and industrial machines. Confirmed as a ball bearing, it is a direct replacement for several older Case IH part numbers.