Rubber/steel single-lip shaft seal OS55727, OS metric series, 55 mm ID x 72 mm OD x 7 mm width, 1 pc; fits sealed ball bearing housings, linear slide units, automotive gearboxes

One-piece rubber/steel single-lip seal, 55x72x7mm
✔️ ID 55 mm x OD 72 mm x Width 7 mm, OS metric, rubber/steel

This OS55727 single-lip shaft seal keeps oil in and contaminants out for bearings, gearboxes and linear slide units. Commonly used in automotive, industrial and light aerospace gear where sealed ball bearing assemblies need protection.

✅ Model: OS55727
✅ Inner diameter: 55 mm (ID)
✅ Outer diameter: 72 mm (OD)
✅ Width: 7 mm
✅ Material: rubber sealing lip with steel case
✅ Low-friction single-lip design for shaft sealing
✅ Works with sealed ball bearing housings and linear slide units

💡 What is a rotary shaft seal used for in sealed ball bearing assemblies and linear slide units? Seals keep lubricants in and grit out, helping bearings run longer and cut downtime. - Protects sealed ball bearing housings from dust, water and lubricant loss - Maintains lubrication on linear slide units to reduce friction and wear - Helps extend service life of automotive and industrial gearboxes