兩個單列環形球軸承,尺寸經選定,組成匹配對或匹配組。軸承套圈表面經過特殊研磨,達到規定的偏置量,安裝時可產生預定的預緊力。可能包含一個單列角接觸軸承,軸承套圈表面經過特殊研磨,適合雙列安裝。
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, 0.3748 inches minimum and 0.3750 inches maximum bore diameter, 0.0008 inches minimum radial and 0.0011 inches maximum radial internal clearance