The NTN UCUP203D1 is a genuine NTN pillow block bearing unit, featuring a robust cast iron housing (P203) and a UC203D1 bearing insert. Designed for reliable performance, this unit has a 17mm bore diameter and utilizes a set screw locking mechanism for secure shaft attachment. Its overall dimensions include a length of 95mm, a height of 51mm, and a base width of 25mm, making it suitable for various industrial and agricultural machinery applications. With a weight of 0.53 kg, it provides durable support for rotating shafts.