The NTN pillow block bearing shaft 1.6875" dia 3100 RPM UELP309-11 1D1-80#05 is a precision bearing from NTN. It allows a shaft or hub to rotate smoothly under load, reducing friction between moving and stationary parts. Key specifications noted on this listing include 3100 RPM. It is commonly in production equipment where smooth, low-friction rotation is required.
