管狀物件,帶或不帶凸緣,旨在減少摩擦,並在平行於孔軸線的表面上承載動載荷。必須具有可見或可檢測的潤滑裝置,或可自潤滑。總長度必須超過外徑的25%或本體週邊平面之間的最短距離,但直管狀(無凸緣或肩部)物體除外,其承載面僅平行於孔軸線。包括分成兩段或多段,且承載圓週角不超過180度(3.141弧度)的物件。另請參閱襯套、套筒;墊片、套筒;以及墊圈(經修改)。不含:銷、空心。
1.750 inches nominal overall length, self lubricating bearings part name assigned by controlling agency, normal operating temperature should be kept below 300 degrees fahrenheit. bearings are installed into the housing bore using a press fit. hardened steel, hard anodized aluminum, hard chrome or nickel plate are recommended. a surface hardness of 45-50 rc is desirable, but satisfactory performance can also be obtained with softer materials. recommended housing bore minimum of 1.6555 inches and maximum of 1.6565 inches. special features, 1.500 inches nominal body outside diameter, steel and zinc overall material