16BB12 Idler Sprocket With 20mm Bore
- Custom bore sizes are available. Contact us if you need a specific bore size or machining requirement.
- Images are for reference only. Actual product appearance may vary based on size, bore, keyway, hub style, or manufacturer.
16BB12 Idler Sprocket Dimensions

- Sprocket Size: 16BB12
- Tooth Count: 12
- Chain Size: 16B-1
- Pitch: 25.4mm
- Dimension (OD): 98.1mm
- Dimension (N): 109.0mm
- Dimension (T): 16.2mm
- Dimension (ID): 20mm
- Dimension (BD): 47mm
- Dimension (H): 17.7mm
- Dimension (L): 14mm
- Sprocket Weight: 0.65 kG
- Sprocket Size: 16BB12
- Tooth Count: 12
- Chain Size: 16B-1
- Pitch: 25.4mm
- Dimension (OD): 98.1mm
- Dimension (N): 109.0mm
- Dimension (T): 16.2mm
- Dimension (ID): 20mm
- Dimension (BD): 47mm
- Dimension (H): 17.7mm
- Dimension (L): 14mm
- Sprocket Weight: 0.65 kG