INA IR17X20X30,5-IS1 Inner Ring Bearing For Precision Machinery With Exact Dimensions, Pro Grade High Quality Bearing For Rails Motors Industrial Equipment And Heavy Duty Applications

INA IR17x20x30.5 IS1 Inner Ring Bearing for Precision
✔️ Bore 17 mm, outer 30.5 mm, width 20 mm; IS1 inner ring, single piece

INA IR17X20X30.5-IS1 Inner Ring is a precision bearing component designed to mount on shafts and fit into rails, linear guides, motors, and heavy-duty equipment. This inner ring is used where exact dimensions and a tight fit matter for smooth, accurate motion in industrial setups.

✅ Single-piece inner ring bearing, INA IR17x20x30.5-IS1
✅ Dimensions: bore 17 mm, outer diameter 30.5 mm, width 20 mm (0.67 in, 1.20 in, 0.79 in)
✅ IS1 inner ring precision tolerance for tight shaft fit
✅ Ideal for rails, linear slide units, and heavy-duty machinery

💡 What is an inner ring bearing used for in precision machinery?

In simple terms, it provides a stable, low-friction interface between a rotating shaft and a stationary housing, enabling precise motion and reliable load handling.

- rail guides and linear motion systems for precise movement and alignment - precision spindles and motor assemblies needing accurate positioning - heavy-duty industrial equipment with stable load handling and long life