The FRW1-4 is a deep groove ball bearing with an integral flange . It features a 1.981 mm (approx. 1/16") bore, 6.350 mm OD, and 7.518 mm width . This compact bearing supports high-speed operation (67,000 rpm grease / 80,000 rpm oil) and has a dynamic load rating (Cr) of 310 kN . It is designed for smooth performance in small motors and precision instruments .
