SKF ball bearing 61903 is a reliable and durable ball bearing, designed for optimal performance and long life. With a diameter of 17 mm, a width of 30 mm and a height of 7 mm, this ball bearing is suitable for a wide range of applications, including cars and other mechanical systems. The ball bearing is made of high quality steel and is therefore robust and resistant to wear and corrosion. Choose SKF 61903 for reliable and trouble-free operation.