OS Metric Single Lip Rubber/Steel Shaft Seal OS20284, 20 mm ID x 28 mm OD x 4 mm Width, 1 pc for sealed ball bearing systems, linear slide units and industrial machinery

Single-lip OS Metric shaft seal OS20284, 20 x 28 x 4 mm
✔️ 20 mm ID x 28 mm OD, 4 mm width, rubber/steel single lip seal

This single shaft seal (1 pc) is a rubber/steel single lip unit used to keep lubricant in and contaminants out for sealed ball bearing systems, linear slide units, automotive drivetrains and industrial machinery.

✅ 20 mm inner diameter (I.D.)
✅ 28 mm outer diameter (O.D.)
✅ 4 mm width (seal thickness)
✅ Rubber/steel materials for wear and aging resistance
✅ OS Metric series, single lip design for low friction
✅ Pack: single seal (1 pc) for quick replacement

💡 What is a shaft seal used for in sealed ball bearing and linear slide unit setups? It protects bearings and moving parts by keeping grease in and dirt out. - Protects sealed ball bearing assemblies and linear slide units from contaminants - Retains lubricant to reduce friction and extend service life of bearings - Handy for cutting maintenance time and costs in automotive, hydraulic and industrial equipment