Metric / inch sizes spherical plain bearing (Rod End) spherical plain bearing/plain bearing/spherical plain radial bearing  Features: High precison / Long life / High Rotation / High speed / Low Noise 4. Series: GE.E / GE.ES 2RS / GEEW.ES / GEEW.ES 2RS / GE.C / GE.UK.2RS / GE.FW 2RS / GEZ.ES / GEZ.ES 2RS / SI.T/K / SA.T/K ..... 5. Material: mentallic and non-mentallic material mentallic: brass / bronze / iron / steel, often plated with zic or chromium non-mentallic: plastic / nylon