Finer Power ASA Plate Wheel Sprocket, 40 / 21
Available
These simplex plate wheel sprockets suit ASA (ANSI) roller chain. The range covers 21 models across 3 chain sizes, ASA 40, ASA 60 and ASA 80, from 15 to 76 teeth.
A plate wheel is a flat sprocket with teeth around the outside edge and no hub. The centre hole is a pilot bore, which can be machined out to the size you need. Pitch diameter, outside diameter and pilot bore diameter come in each model.
Where this product is used
- Roller chain drives using ASA (ANSI) chain
- Assemblies where the sprocket is attached to a hub, flange or other part
- Replacement of existing plate wheel sprockets
- Compact drives where a sprocket without a hub suits the design
Features
- Plate wheel design, flat plate with no hub
- Simplex sprocket for ASA (ANSI) roller chain
- 3 chain sizes, 15 to 76 teeth
- Pilot bore in the centre, for each model
- Tooth width and chain inside width for each chain size where available
- Pitch diameter and outside diameter for each model
Key specifications
| Specification | Detail |
|---|---|
| Product | Plate wheel sprocket |
| Standard | ASA (ANSI) |
| Strands | Simplex |
| Construction | Flat plate, no hub |
| Bore | Pilot bore |
| Chain sizes | ASA 40, ASA 60 and ASA 80 |
| Number of teeth | 15 to 76 |
Sizes available
| Chain | Pitch | Teeth | Tooth width | Models |
|---|---|---|---|---|
| ASA 40 | 1/2" (12.7mm) | 15 to 76 | 7.2mm | 11 |
| ASA 60 | 3/4" (19.05mm) | 42 to 76 | 11.7mm | 9 |
| ASA 80 | 1" (25.4mm) | 17 | - | 1 |
Choosing the right option
Choose the sprocket by chain size and number of teeth. The chain size must match your chain, and the tooth count sets the speed ratio.
Dimensions are for reference.
| Option | Part number | SKU |
|---|---|---|
| 40 / 15 | 40A15PW | A0062273 |
| 40 / 21 | 40A21PW | A0062274 |
| 40 / 42 | 40A42PW | A0062275 |
| 40 / 48 | 40A48PW | A0062276 |
| 40 / 50 | 40A50PW | A0062277 |
| 40 / 55 | 40A55PW | A0062278 |
| 40 / 60 | 40A60PW | A0062279 |
| 40 / 65 | 40A65PW | A0062280 |
| 40 / 70 | 40A70PW | A0062281 |
| 40 / 72 | 40A72PW | A0062282 |
| 40 / 76 | 40A76PW | A0062283 |
| 60 / 42 | 60A42PW | A0062368 |
| 60 / 48 | 60A48PW | A0062369 |
| 60 / 50 | 60A50PW | A0062370 |
| 60 / 55 | 60A55PW | A0062371 |
| 60 / 60 | 60A60PW | A0062372 |
| 60 / 65 | 60A65PW | A0062373 |
| 60 / 70 | 60A70PW | A0062374 |
| 60 / 72 | 60A72PW | A0062375 |
| 60 / 76 | 60A76PW | A0062376 |
| 80 / 17 | 80A17PW | A0062420 |
Resources
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ASA Plate Wheel Sprocket, Simplex, 40, 60 and 80: 40 / 21
SKU: A0062274 | Model: 40A21PW
Finer Power 40A21PW: ASA Plate Wheel Sprocket, 40 / 21. Standard: ASA (ANSI). Chain Number: 40.
