Hardened Steel Spacer Bushing Sleeve 60 HRC, Precision Machined 17mm ID x 21mm OD x 20.5mm Width, High Grade Bearing Sleeve for Mechanical Assemblies, CNC Machines, Automotive Components, Robotics and Gearboxes

This hardened steel spacer bushing sleeve is precision machined to tight tolerances for reliable spacing and alignment in mechanical assemblies. It's commonly used in bearing housings, shafts, and linear motion setups in automotive, robotics, and industrial equipment.

✅ 60 HRC hardened steel for long wear in tough environments
✅ 17 mm ID bore for precise shaft fit
✅ 21 mm OD and 20.5 mm width for a tight, clean install
✅ Ideal as a spacer sleeve in sealed ball bearing and linear slide unit arrangements

💡 What is a steel spacer sleeve used for in precision machinery?

In everyday use, this handy spacer helps maintain accurate distances and alignment between components.

• Maintains correct axial spacing in bearing housings and shafts
• Hardened steel offers long wear life in demanding environments
• Dimensions like 17x21x20.5 mm ensure a snug, reliable fit
• Compatible with sealed ball bearings and linear slide units