Z21 #820 SPROCKET, 25 MM BORE (IDLER)

The Z21#820 idler sprocket is a component paired with the Z21#820 drive sprocket, designed for 820-series straight-running plastic chains to ensure smooth, stable, and precise chain operation.

Technical Specifications

✓ Material: PA (Polyamide)

✓ Diameter: 128 mm

✓ Bore: 25 mm

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