The RW1-4 is a compact inch-series miniature deep groove ball bearing with a 1.984 mm (0.0781 in) bore, 6.350 mm OD, and a width of 3.175 mm . It provides reliable radial support in high-speed applications (up to 67,000 rpm grease, 80,000 rpm oil ), making it suitable for small motors, precision instruments, and office equipment.
