Problem this solves
Taper lock bushes must match the correct series. Use this chart and steps to avoid ordering the wrong size.
Identification steps
- 1Check for the series stamped on the bush (e.g., 2517).
- 2Measure shaft diameter and keyway size.
- 3Measure hub depth and bolt circle.
- 4Confirm bore finish and tolerance needs.
- 5Cross-check series against shaft size ranges.
Common taper lock series
| Series | Typical shaft range (mm) | Notes |
|---|---|---|
| 1008 | 9-25 | Compact sizes |
| 1210 | 14-30 | General duty |
| 1610 | 14-42 | Common for drives |
| 2012 | 20-50 | Medium torque |
| 2517 | 25-60 | Heavy duty hubs |
| 3020 | 30-75 | High torque |
| 3535 | 35-90 | Large diameters |
| 4040 | 40-110 | Oversize shafts |
Include When Confirming Specifications
- Taper series and shaft size
- Keyway dimensions
- Hub depth or pulley model
- Application (fan, pulley, sprocket)
- Photo of markings if available