DS12A21 Sprocket
Note:
- 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.
SKU: DS12A21-SPROCKET
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DS12A21 Sprocket Description/Features
DS12A21 Sprocket Specifications
DS12A21 Sprocket is a double single 21-tooth metric roller chain sprocket made for 12B-1 roller chain. Double single DS12A21 sprockets are made to run two single-strands of roller chain parallel to each other. Specifically, this sprocket is manufactured in accordance with ISO, DIN, and British Standards so it directly interchanges with previous sprockets in the application along with other manufacture brands. Utilizing premium grade alloy steel and precision machining our DS12A21 sprocket exceeds in performance, durability, and working life. Unlike other places, we also offer upgrades to our sprockets (See below)
DS12A21 Sprocket Upgrade Options
- Heat-Treated Teeth
- Custom Bore Sizes (With Key-way & Set-Screws)
- Idler Sprocket Configuration
- Black Oxide Coating
DS12A21 Sprocket Dimensions
- Sprocket Size: DS12A21
- Tooth Count: 21
- Outside Diameter: 136.00mm
- Pitch Diameter: 127.82mm
- Sprocket Type: A
- Stock Bore: 24mm
- Maximum Recommended Bore: 70mm
- Dimension (L): 49.2mm
- Dimension (C): 38.1mm
- Dimension (E): 106.0mm
- Dimension (F): 11.1mm
- Sprocket Weight: 3.62 kG
- Sprocket Size: DS12A21
- Tooth Count: 21
- Outside Diameter: 136.00mm
- Pitch Diameter: 127.82mm
- Sprocket Type: A
- Stock Bore: 24mm
- Maximum Recommended Bore: 70mm
- Dimension (L): 49.2mm
- Dimension (C): 38.1mm
- Dimension (E): 106.0mm
- Dimension (F): 11.1mm
- Sprocket Weight: 3.62 kG
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