The FR1810 is an inch-series flanged deep groove ball bearing with a 5/16" (7.938 mm) bore, 1/2" (12.7 mm) OD, and 5/32" (3.967 mm) width . Its integrated flange (approx. 13.894 mm OD) simplifies mounting and positioning . This compact bearing offers a dynamic load rating of 540 N and supports high speeds (40,000 rpm grease / 48,000 rpm oil) . It is commonly used in small motors, precision instruments, and office equipment .
