OS Series Single Lip Seal OS18253 18 mm ID x 25 mm OD x 3 mm Width Rubber/Steel Metric rotary oil shaft component for automotive, transmission and industrial machinery, pack of 1

Metric single lip shaft seal OS18253 18 x 25 x 3 mm
✔️ ID 18 mm, OD 25 mm, Width 3 mm, Rubber/Steel, OS series, pack of 1

This single lip rotary shaft seal retains lubrication and blocks contamination in engines, transmissions, pumps and industrial gearboxes. Designed for low cross-section installations and continuous duty.

✅ Model: OS18253, single lip metric seal, 18 mm ID, 25 mm OD, 3 mm width
✅ Material: rubber sealing lip with steel reinforcement for wear resistance and longevity
✅ Fit: low cross-section profile for tight space shafts and paired with needle roller bearings
✅ Performance: maintains seal integrity across wide temperature ranges to reduce maintenance
✅ Applications: automotive shafts, transmission components, gearboxes, pumps and industrial machinery

💡 What is a rotary shaft seal used for in automotive and industrial equipment? A rotary shaft seal keeps lubricants in and contaminants out, helping bearings and shafts run reliably over time. Quick overview: - Protects sealed ball bearing and needle roller bearings from dirt, dust and water, lowering failure rates. - Helps preserve lubrication in transmission assemblies, gearboxes and linear slide unit setups for smoother operation. - Handy for engines, pumps and industrial machines where oil retention and contaminant exclusion are critical.