OS42557 Single Lip Rubber/Steel Shaft Seal OS Metric Series 42 mm ID x 55 mm OD x 7 mm Width each for Bearing Protection in Automotive, Industrial, Aerospace and Medical Applications

Single lip rubber/steel shaft seal 42 mm x 55 mm each
✔️ ID 42 mm, OD 55 mm, Width 7 mm, Single lip, OS Metric

This OS42557 single lip rubber/steel shaft seal is a one-piece seal that keeps grease in and grit out on shafts and bearings. Common fits include sealed ball bearing housings, automotive axles, industrial gearboxes, linear slide units and medical assemblies.

✅ Model OS42557, OS Metric Series
✅ Inner diameter (ID) 42 mm, outer diameter (OD) 55 mm, width 7 mm
✅ Rubber lip with steel case for durable contact and support
✅ Single lip profile for grease retention and contaminant exclusion
✅ Suited for sealed ball bearing, ceramic element setups and linear slide unit shafts
✅ Pack size: sold as 1 each for quick repairs and maintenance

💡 What is a single lip shaft seal used for in sealed ball bearing assemblies? A single lip shaft seal is a handy component that keeps lubrication in and dirt out, protecting bearing life. - Keeps grease inside bearings while blocking dust and moisture for longer service life - Works well with sealed ball bearing and ceramic element applications, and in linear slide units - Easy to swap during maintenance; sold per piece for fast field repairs