Two single row annular ball bearings selected dimensionally to be a matched pair or set. The ring faces have been specially ground to specified offsets that will produce predetermined preload when mounted. May include a single row angular contact bearing with faces specially ground for duplex mounting.
10 to 50 mg specified lubricant each bearing; back to back mtg; 10 to 30 lb preload; inner spacer 0.3760 in. min,0.3780 in. max id,0.4600 in. nom od; outer spacer 0.5400 in. nom id,0.6220 in. min,0.6240 in. max od special features, 0.6248 inches minimum and 0.6250 inches maximum overall outside diameter, machined retainer fabrication method, 0.0008 inches minimum radial and 0.0011 inches maximum radial internal clearance, 0.3748 inches minimum and 0.3750 inches maximum bore diameter