• EFN45-30-502 Classic Line | EFN4530502ClassicLine• Inner dimension: 45, Outer dimension: 102, Width: 32, Weight: 2,5, Lubrication hole: With lubrication groove, Thread type: Female thread, Thread direction: Left-hand thread, Maintenance: Maintenance-free version, Version: PTFE/Steel, Seal: Lip seal on both sides