The NSK B187 SWR Sheathed V-belt is a high-quality classical B-section V-belt designed for efficient power transmission in various industrial and agricultural machinery applications. This durable belt features a robust rubber compound and strong polyester tension cords, ensuring reliable performance and extended service life. With an inside length of 4750 mm, pitch length of 4826 mm, and outside length of 4851 mm, along with a top width of 17 mm and height of 11 mm, it provides optimal fit and function for standard B-section pulley systems.