Metric LRT Series inner ring for machined needle roller bearings ID 40 mm x OD 50 mm x Width 20 mm, single each, precision ground high carbon steel raceway, fits linear slide units and sealed assemblies

Metric LRT inner ring for needle roller bearings, single
✔️ ID 40 mm, OD 50 mm, Width 20 mm, high carbon steel raceway

This inner ring is a machined component that supports needle roller bearings where shafts cannot be hardened or ground to raceway specs, commonly used in gearboxes, automotive linkages, and linear slide unit assemblies.

✅ Series: LRT Metric series
✅ Inner diameter: 40 mm
✅ Outer diameter: 50 mm
✅ Overall width: 20 mm
✅ Material: High carbon steel, heat treated and precision ground raceway
✅ Suitable for machined type needle roller bearing assemblies
✅ Pack: single each, SKU 861536, weight 0.240 lb

💡 What is an inner ring used for in needle roller bearing assemblies? This part provides a hardened raceway when shaft treatment is impractical. - Provides a precision hardened raceway to prevent premature shaft wear and extend bearing life in sealed ball bearing and needle roller setups. - Integrates with linear slide unit applications and machined housings without extra shaft machining, handy for fast repairs. - Acts as an economical alternative to bushings and is available in wider profiles or oil hole variants for easier lubrication.