SWF8 .5000" Bore linear motion ball bushings/bearings, inner diameter(bore)= 0.500" (0.500") inch dimensions with steel retainer, high accuracy grade linear bushings, series mainly used in the USA, NB brand (Nippon Bearing Linear Systems), made in Japan.

• dr = 0.5000 inch
• D = 0.8750 inch
• L = 1.2500 inch
• Df = 1.7500 inch
• t = 0.2500 inch
• P.C.D. = 1.3120 inch
• X = 0.1875 inch
• Y = 0.2970 inch
• Z = 0.1720 inch