• BEF06-60-501 Classic Line | BEF0660501ClassicLine• Inner dimension: 6, Outer dimension: 20, Width: 9, Weight: 0,024, Thread direction: Right-hand thread, Seal: None, open bearing, Version: PTFE/Steel (stainless), Lubrication hole: Without lubrication groove, Maintenance: Maintenance-free version, Thread type: Female thread