Illustrative drawing. Actual product is confirmed to your specification at quotation.
Sprockets
Taper Lock Sprockets
A taper lock sprocket has a tapered bore in the hub that takes a standard taper lock bush. The bush grips the shaft evenly, so the same sprocket can be fitted to different shaft sizes just by changing the bush.
- Fits shafts via a split taper bush
- Easy removal and refitting
- One sprocket, many bore sizes
Specifications
- Material
- Mild steel (C45)Cast iron
- Type
- Taper lock
- Size / section / duty
- Up to 12.7 mm pitch15.875 to 25.4 mm pitch31.75 to 50.8 mm pitch
- Standards
- ANSI B29.1ISO 606
Exact sizes, brands and availability are confirmed at quotation. Send the code or a photo of the old part.
Applications
- Drives where shaft sizes vary
- Heavy-duty machine drives
- Quick replacement during breakdowns
- Conveyors and gearbox outputs
Technical reference
Taper lock bush sizes
| Bush No. | Maximum bore (mm) | Bush length (mm) |
|---|---|---|
| 1008 | 25 | 22.3 |
| 1108 | 28 | 22.3 |
| 1210 | 32 | 25.4 |
| 1215 | 32 | 38.1 |
| 1610 | 42 | 25.4 |
| 1615 | 42 | 38.1 |
| 2012 | 50 | 31.8 |
| 2517 | 60 | 44.5 |
| 3020 | 75 | 50.8 |
| 3525 | 90 | 63.5 |
| 4030 | 100 | 76.2 |
| 4535 | 110 | 89 |
| 5040 | 125 | 101.6 |
Maximum bore and length for the standard bush series. Bores are supplied with keyways. Check the bush number cast on your pulley or sprocket hub.
Sprocket pitch diameter by number of teeth
| Teeth | 12.7 mm pitch | 15.875 mm pitch | 19.05 mm pitch | 25.4 mm pitch |
|---|---|---|---|---|
| 13 | 53.1 | 66.3 | 79.6 | 106.1 |
| 15 | 61.1 | 76.4 | 91.6 | 122.2 |
| 17 | 69.1 | 86.4 | 103.7 | 138.2 |
| 19 | 77.2 | 96.4 | 115.7 | 154.3 |
| 21 | 85.2 | 106.5 | 127.8 | 170.4 |
| 23 | 93.3 | 116.6 | 139.9 | 186.5 |
| 25 | 101.3 | 126.7 | 152 | 202.7 |
| 30 | 121.5 | 151.9 | 182.2 | 243 |
| 38 | 153.8 | 192.2 | 230.7 | 307.6 |
Calculated from the standard formula PD = pitch / sin(180° / teeth). Shown for 12.7, 15.875, 19.05 and 25.4 mm pitch chains (ANSI 40, 50, 60, 80 / ISO 08B, 10B, 12B, 16B). Values in mm.
Related and matching products
Request a quote for Taper Lock Sprockets
Give us the code, size, brand and quantity, or a photo of the old part. We reply within one business day.
Common questions
- Which sizes of taper lock sprockets do you supply?
- We supply taper lock sprockets across the size range (Up to 12.7 mm pitch, 15.875 to 25.4 mm pitch, 31.75 to 50.8 mm pitch). Send the code, dimensions or a photo of the old part and we confirm the match, availability and lead time at quotation.
- Which standards apply to taper lock sprockets?
- Common standards are ANSI B29.1, ISO 606. Tell us the standard you need and we will quote to it.
- Which brands can you supply?
- We supply Fenner, PIX and equivalent brands, and can quote alternatives where the application allows. Tell us your preferred brand and we confirm what is available.
- Can you supply in bulk or ship Pan India?
- Yes. We quote for single pieces and scheduled bulk supply, and ship Pan India. Confirm the quantity when you request a quote.
Need a quote on bulk or custom industrial supply?
Share your specifications and quantities — our technical team will respond with pricing and lead time within one business day.