Keyway
| Nominal Shaft Diam | Key Size | Dimensions (mm) | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Over | To (incl.) | A | B | C | D | E | F | R | |
| 10 | 12 | 4 x 4 | 3.970 4.000 | 2.5 2.6 | 3.985 4.015 | 1.8 1.9 | 4.030 3.970 | 0.16 | |
| 12 | 17 | 5 x 5 | 4.970 5.000 | 3.0 3.1 | 4.985 5.015 | 2.3 2.4 | 5.030 4.970 | 0.25 | |
| 17 | 22 | 6 x 6 | 5.970 6.000 | 3.5 3.6 | 5.985 6.015 | 2.8 2.9 | 6.030 5.970 | 0.25 | |
| 22 | 30 | 8 x 7 | 7.964 8.000 | 4.0 4.2 | 7.982 8.018 | 3.3 3.5 | 8.000 7.964 | 7.000 6.910 | 0.25 |
| 30 | 38 | 10 x 8 | 9.964 10.000 | 5.0 5.2 | 9.982 10.018 | 3.3 3.5 | 10.000 9.964 | 8.000 7.910 | 0.40 |
| 38 | 44 | 12 x 8 | 11.957 12.000 | 5.0 5.2 | 11.979 12.021 | 3.3 3.5 | 12.000 11.957 | 8.000 7.910 | 0.40 |
| 44 | 50 | 14 x 9 | 13.957 14.000 | 5.5 5.7 | 13.979 14.021 | 3.8 4.0 | 14.000 13.957 | 9.000 8.910 | 0.40 |
| 50 | 58 | 16 x 10 | 15.957 16.000 | 6.0 6.2 | 15.979 16.021 | 4.3 4.5 | 16.000 15.957 | 10.000 9.910 | 0.40 |
| 58 | 65 | 18 x 11 | 17.957 18.000 | 7.0 7.2 | 17.979 18.021 | 4.4 4.6 | 18.000 17.957 | 11.000 10.890 | 0.40 |
| 65 | 75 | 20 x 12 | 19.948 20.000 | 7.5 7.7 | 19.974 20.026 | 4.9 5.1 | 20.000 19.948 | 12.000 11.890 | 0.60 |
| 75 | 85 | 22 x 14 | 21.948 22.000 | 9.0 9.2 | 21.974 22.026 | 5.4 5.6 | 22.000 21.948 | 14.000 13.890 | 0.60 |
| 85 | 95 | 25 x 14 | 24.948 25.000 | 9.0 9.2 | 24.974 25.026 | 5.4 5.6 | 25.000 24.948 | 14.000 13.890 | 0.60 |
| 95 | 110 | 28 x 16 | 27.948 28.000 | 10.0 10.2 | 27.974 28.026 | 6.4 6.6 | 28.000 27.948 | 16.000 15.890 | 0.60 |
| 110 | 130 | 32 x 18 | 31.938 32.000 | 11.0 11.2 | 31.969 32.031 | 7.4 7.6 | 32.000 31.938 | 18.000 17.890 | 0.60 |
| 130 | 150 | 36 x 20 | 35.938 36.000 | 12.0 12.3 | 35.969 36.031 | 8.4 8.7 | 36.000 35.938 | 20.000 19.870 | 1.00 |
| 150 | 170 | 40 x 22 | 39.938 40.000 | 13.0 13.3 | 39.969 40.031 | 9.4 9.7 | 40.000 39.938 | 22.000 21.870 | 1.00 |
| 170 | 200 | 45 x 25 | 44.938 45.000 | 15.0 15.3 | 44.969 45.031 | 10.4 10.7 | 45.000 44.938 | 25.000 24.870 | 1.00 |
| 200 | 230 | 50 x 28 | 49.938 50.000 | 17.0 17.3 | 49.969 50.031 | 11.4 11.7 | 50.000 49.938 | 28.000 27.870 | 1.00 |