Gcr15 Carbon Steel Sleeve Bearing 30x40x40mm With Precision Ground 0.02mm Tolerance Heat Treated To HRC58-62 Chamfered Edges And Smooth Finish Ideal For Plain Bearings Fixture Locating And Guide Bushing

Single unit carbon steel sleeve bearing 30x40x40mm
✔️ 30x40x40mm sleeve, carbon steel, HRC58-62, precision-ground

This bearing sleeve is precision-ground from Gcr15 carbon steel and heat treated to hardness HRC58-62. It offers a tight 0.02 mm ID/OD tolerance, chamfered edges, and a burr-free finish to ease installation. It serves as the inner sleeve for ball bearings, needle bearings, and plain bearings, or as a fixture locating and guide bushing in rotating machinery.

✅ Size: ID 30 mm x OD 40 mm x length 40 mm
✅ Material: Gcr15 carbon steel
✅ Hardness: HRC58-62 after quenching
✅ Tolerance: ID/OD to 0.02 mm
✅ Finish: Chamfered edges, burr-free surface
✅ Applications: inner ring, fixture locating, guide bushing

💡 What is a typical use for a bearing sleeve and how does it help mechanical assemblies?

These handy bushings provide a simple, reliable way to align rotating parts and support loads. - Handy for high-load, low-speed machinery - Guides and aligns shafts within fixtures - Serves as inner ring for ball, needle, or plain bearings - Replaces more complex bearing assemblies in simple setups