OS20304 Single Lip Shaft Seal, Metric 20 mm ID x 30 mm OD x 4 mm Width, Rubber/Steel Composite for Automotive, Industrial, Rotary and Linear Slide Unit Applications

OS20304 single-lip metric shaft seal, rubber/steel
✔️ 20 mm ID x 30 mm OD x 4 mm W, single unit, OS metric

This is a single-piece OS20304 rubber/steel single-lip shaft seal that keeps fluids in and contaminants out. Commonly used in automotive gearboxes, sealed ball bearing housings, and linear slide unit setups.

✅ Model OS20304, OS Metric Series, single lip design
✅ Inner diameter 20 mm, outer diameter 30 mm, width 4 mm
✅ Rubber sealing lip with steel case for durability and fit
✅ Suited for rotary shafts, sealed ball bearing housings, and linear slide unit use
✅ Easy press-fit installation for quick maintenance swaps
✅ Good temperature and wear resistance for automotive and industrial service

💡 What is a single-lip shaft seal used for in automotive and industrial rotary equipment? A single-lip shaft seal is a simple, handy way to keep lubricants in and dirt out on rotating shafts. Quick intro sentence: Here are the practical benefits and common uses: - protects sealed ball bearing housings from dust and moisture for longer service life - helps prevent fluid leaks in gearboxes, pumps, and motor shafts to reduce downtime - compatible with linear slide unit assemblies and other rotary or sliding components - works well as an affordable alternative to more complex ceramic or double-lip seals for many standard jobs