| ANSI B.4 Shaft Fits | |||
| Description of Standard Fits | Fit | Description of Fit | Fit Class |
| Running or Sliding Clearance Fits | RC | Close sliding fits | RC1 |
| Sliding fits | RC2 | ||
| Precision running fits | RC3 | ||
| Close running fits | RC4 | ||
| Medium running fits | RC5 | ||
| Medium running fits | RC6 | ||
| Free running fits | RC7 | ||
| Loose running fits | RC8 to RC9 | ||
| Locational Clearance Fits | LC | free assembly | LC1 to LC 11 |
| Locational Transition Fits | LT | transition location | LT1 to LT6 |
| Locational Interference Fits | LN | accurate location | LN1 to LN3 |
| Force Fits | FN | Light drive fits | FN1 |
| Medium drive fits | FN2 | ||
| Heavy drive fits | FN3 | ||
| Force fits | FN4 to FN5 | ||
| ANSI Shaft Fits (ANSI B4.1 1967) | |||||||||||||||||||||||||||||
| Nominal size Min | Nominal size Max | Type | RC 1 | RC 2 | RC 3 | RC 4 | RC 5 | RC 6 | RC 7 | RC 8 | RC 9 | ||||||||||||||||||
| Clearance* | Hole | Shaft | Clearance* | Hole | Shaft | Clearance* | Hole | Shaft | Clearance* | Hole | Shaft | Clearance* | Hole | Shaft | Clearance* | Hole | Shaft | Clearance* | Hole | Shaft | Clearance* | Hole | Shaft | Clearance* | Hole | Shaft | |||
| 0 | 0.12 | MAX | 0.45 | 0.2 | -0.1 | 0.55 | 0.25 | -0.1 | 0.95 | 0.4 | -0.3 | 1.3 | 0.6 | -0.3 | 1.6 | 0.6 | -0.6 | 2.2 | 1 | -0.6 | 2.6 | 1 | -1 | 5.1 | 1.6 | -2.5 | 8.1 | 2.5 | -4 |
| 0 | 0.12 | MIN | 0.1 | 0 | -0.25 | 0.1 | 0 | -0.3 | 0.3 | 0 | -0.55 | 0.3 | 0 | -0.7 | 0.6 | 0 | -1 | 0.6 | 0 | -1.2 | 1 | 0 | -1.6 | 2.5 | 0 | -3.5 | 4 | 0 | -5.6 |
| 0.12 | 0.24 | MAX | 0.5 | 0.2 | -0.15 | 0.65 | 0.3 | -0.15 | 1.12 | 0.5 | -0.4 | 1.6 | 0.7 | -0.4 | 2 | 0.7 | -0.8 | 2.7 | 1.2 | -0.8 | 3.1 | 1.2 | -1.2 | 5.8 | 1.8 | -2.8 | 9 | 3 | -4.5 |
| 0.12 | 0.24 | MIN | 0.15 | 0 | -0.3 | 0.15 | 0 | -0.35 | 0.4 | 0 | -0.7 | 0.4 | 0 | -0.9 | 0.8 | 0 | -1.3 | 0.8 | 0 | -1.5 | 1.2 | 0 | -1.9 | 2.8 | 0 | -4 | 4.5 | 0 | -6 |
| 0.24 | 0.4 | MAX | 0.6 | 0.25 | -0.2 | 0.85 | 0.4 | -0.2 | 1.5 | 0.6 | -0.5 | 2 | 0.9 | -0.5 | 2.5 | 0.9 | -1 | 3.3 | 1.4 | -1 | 3.9 | 1.4 | -1.6 | 6.6 | 2.2 | -3 | 10.7 | 3.5 | -5 |
| 0.24 | 0.4 | MIN | 0.2 | 0 | -0.35 | 0.2 | 0 | -0.45 | 0.5 | 0 | -0.9 | 0.5 | 0 | -1.1 | 1 | 0 | -1.6 | 1 | 0 | -1.9 | 1.6 | 0 | -2.5 | 3 | 0 | -4.4 | 5 | 0 | -7.2 |
| 0.4 | 0.71 | MAX | 0.75 | 0.3 | -0.25 | 0.95 | 0.4 | -0.25 | 1.7 | 0.7 | -0.6 | 2.3 | 1 | -0.6 | 2.9 | 1 | -1.2 | 3.8 | 1.6 | -1.2 | 4.6 | 1.6 | -2 | 7.9 | 2.8 | -3.5 | 12.8 | 4 | -6 |
| 0.4 | 0.71 | MIN | 0.25 | 0 | -0.45 | 0.25 | 0 | -0.55 | 0.6 | 0 | -1 | 0.6 | 0 | -1.3 | 1.2 | 0 | -1.9 | 1.2 | 0 | -2.2 | 2 | 0 | -3 | 3.5 | 0 | -5.1 | 6 | 0 | -8.8 |
| 0.71 | 1.19 | MAX | 0.95 | 0.4 | -0.3 | 1.2 | 0.5 | -0.3 | 2.1 | 0.8 | -0.8 | 2.8 | 1.2 | -0.8 | 3.6 | 1.2 | -1.6 | 4.8 | 2 | -1.6 | 5.7 | 2 | -2.5 | 10 | 3.5 | -4.5 | 15.5 | 5 | -7 |
| 0.71 | 1.19 | MIN | 0.3 | 0 | -0.55 | 0.3 | 0 | -0.7 | 0.8 | 0 | -1.3 | 0.8 | 0 | -1.6 | 1.6 | 0 | -2.4 | 1.6 | 0 | -2.8 | 2.5 | 0 | -3.7 | 4.5 | 0 | -6.5 | 7 | 0 | -10.5 |
| 1.19 | 1.97 | MAX | 1.1 | 0.4 | -0.4 | 1.4 | 0.6 | -0.4 | 2.6 | 1 | -1 | 3.6 | 1.6 | -1 | 4.6 | 1.6 | -2 | 6.1 | 2.5 | -2 | 7.1 | 2.5 | -3 | 11.5 | 4 | -5 | 18 | 6 | -8 |
| 1.19 | 1.97 | MIN | 0.4 | 0 | -0.7 | 0.4 | 0 | -0.8 | 1 | 0 | -1.6 | 1 | 0 | -2 | 2 | 0 | -3 | 2 | 0 | -3.6 | 3 | 0 | -4.6 | 5 | 0 | -7.5 | 8 | 0 | -12 |
| 1.97 | 3.15 | MAX | 1.2 | 0.5 | -0.4 | 1.6 | 0.7 | -0.4 | 3.1 | 1.2 | -1.2 | 4.2 | 1.8 | -1.2 | 5.5 | 1.8 | -2.5 | 7.3 | 3 | -2.5 | 8.8 | 3 | -4 | 13.5 | 4.5 | -6 | 20.5 | 7 | -9 |
| 1.97 | 3.15 | MIN | 0.4 | 0 | -0.7 | 0.4 | 0 | -0.9 | 1.2 | 0 | -1.9 | 1.2 | 0 | -2.4 | 2.5 | 0 | -3.7 | 2.5 | 0 | -4.3 | 4 | 0 | -5.8 | 6 | 0 | -9 | 9 | 0 | -13.5 |
| 3.15 | 4.73 | MAX | 1.5 | 0.6 | -0.5 | 2 | 0.9 | -0.5 | 3.7 | 1.4 | -1.4 | 5 | 2.2 | -1.4 | 6.6 | 2.2 | -3 | 8.7 | 3.5 | -3 | 10.7 | 3.5 | -5 | 15.5 | 5 | -7 | 24 | 9 | -10 |
| 3.15 | 4.73 | MIN | 0.5 | 0 | -0.9 | 0.5 | 0 | -1.1 | 1.4 | 0 | -2.3 | 1.4 | 0 | -2.8 | 3 | 0 | -4.4 | 3 | 0 | -5.2 | 5 | 0 | -7.2 | 7 | 0 | -10.5 | 10 | 0 | -15 |
| 4.73 | 7.09 | MAX | 1.8 | 0.7 | -0.6 | 2.3 | 1 | -0.6 | 4.2 | 1.6 | -1.6 | 5.7 | 2.5 | -1.6 | 7.6 | 2.5 | -3.5 | 10 | 4 | -3.5 | 12.5 | 4 | -6 | 18 | 6 | -8 | 28 | 10 | -12 |
| 4.73 | 7.09 | MIN | 0.6 | 0 | -1.1 | 0.6 | 0 | -1.3 | 1.6 | 0 | -2.6 | 1.6 | 0 | -3.2 | 3.5 | 0 | -5.1 | 3.5 | 0 | -6 | 6 | 0 | -8.5 | 8 | 0 | -12 | 12 | 0 | -18 |
| 7.09 | 9.85 | MAX | 2 | 0.8 | -0.6 | 2.6 | 1.2 | -0.6 | 5 | 1.8 | -2 | 6.6 | 2.8 | -2 | 8.6 | 2.8 | -4 | 11.3 | 4.5 | -4 | 14.3 | 4.5 | -7 | 21.5 | 7 | -10 | 34 | 12 | -15 |
| 7.09 | 9.85 | MIN | 0.6 | 0 | -1.2 | 0.6 | 0 | -1.4 | 2 | 0 | -3.2 | 2 | 0 | -3.8 | 4 | 0 | -5.8 | 4 | 0 | -6.8 | 7 | 0 | -9.8 | 10 | 0 | -14.5 | 15 | 0 | -22 |
| 9.85 | 12.41 | MAX | 2.3 | 0.9 | -0.8 | 2.9 | 1.2 | -0.8 | 5.7 | 2 | -2.5 | 7.5 | 3 | -2.5 | 10 | 3 | -5 | 13 | 5 | -5 | 16 | 5 | -8 | 25 | 8 | -12 | 38 | 12 | -18 |
| 9.85 | 12.41 | MIN | 0.8 | 0 | -1.4 | 0.8 | 0 | -1.7 | 2.5 | 0 | -3.7 | 2.5 | 0 | -4.5 | 5 | 0 | -7 | 5 | 0 | -8 | 8 | 0 | -11 | 12 | 0 | -17 | 18 | 0 | -26 |
| 12.41 | 15.75 | MAX | 2.7 | 1 | -1 | 3.4 | 1.4 | -1 | 6.6 | 2.2 | -3 | 8.7 | 3.5 | -3 | 11.7 | 3.5 | -6 | 15.5 | 6 | -6 | 19.5 | 6 | -10 | 29 | 9 | -14 | 45 | 14 | -22 |
| 12.41 | 15.75 | MIN | 1 | 0 | -1.7 | 1 | 0 | -2 | 3 | 0 | -4.4 | 3 | 0 | -5.2 | 6 | 0 | -8.2 | 6 | 0 | -9.5 | 10 | 0 | -13.5 | 14 | 0 | -20 | 22 | 0 | -31 |
| 15.75 | 19.69 | MAX | 3 | 1 | -1.2 | 3.8 | 1.6 | -1.2 | 8.1 | 2.5 | -4 | 10.5 | 4 | -4 | 14.5 | 4 | -8 | 18 | 6 | -8 | 22 | 6 | -12 | 32 | 10 | -16 | 51 | 16 | -25 |
| 15.75 | 19.69 | MIN | 1.2 | 0 | -2 | 1.2 | 0 | -2.2 | 4 | 0 | -5.6 | 4 | 0 | -6.5 | 8 | 0 | -10.5 | 8 | 0 | -12 | 12 | 0 | -16 | 16 | 0 | -22 | 25 | 0 | -35 |
| * Pairs of values show maximum and minimium amounts of clearance from application of standard tolerance limits. | |||||||||||||||||||||||||||||
| ANSI Shaft Fits (ANSI B4.1 1967) | |||||||||||||||||||||||||||||||||||
| Nominal size Min | Nominal size Max | Type | LC 1 | LC 2 | LC 3 | LC 4 | LC 5 | LC 6 | LC 7 | LC 8 | LC 9 | LC 10 | LC 11 | ||||||||||||||||||||||
| Clearance* | Hole | Shaft | Clearance* | Hole | Shaft | Clearance* | Hole | Shaft | Clearance* | Hole | Shaft | Clearance* | Hole | Shaft | Clearance* | Hole | Shaft | Clearance* | Hole | Shaft | Clearance* | Hole | Shaft | Clearance* | Hole | Shaft | Clearance* | Hole | Shaft | Clearance* | Hole | Shaft | |||
| 0 | 0.12 | MAX | 0.45 | 0.25 | 0 | 0.65 | 0.4 | 0 | 0 | 0.6 | 0 | 2.6 | 1.6 | 0 | 0.75 | 0.4 | -0.1 | 1.9 | 1 | -0.3 | 3.2 | 1.6 | -1 | 2 | 1.6 | -1 | 6.6 | 2.5 | -2.5 | 12 | 4 | -4 | 17 | 6 | -5 |
| 0 | 0.12 | MIN | 0 | 0 | -0.2 | 0 | 0 | -0.25 | 1 | 0 | -0.4 | 0 | 0 | -1 | 0.1 | 0 | -0.35 | 0.3 | 0 | -0.9 | 0.6 | 0 | -2 | 1 | 0 | -2 | 2.5 | 0 | -4.1 | 4 | 0 | -8 | 5 | 0 | -11 |
| 0.12 | 0.24 | MAX | 0.5 | 0.3 | 0 | 0.8 | 0.5 | 0 | 0 | 0.7 | 0 | 3 | 1.8 | 0 | 0.95 | 0.5 | -0.15 | 2.3 | 1.2 | -0.4 | 3.8 | 1.8 | -1.2 | 4.2 | 1.8 | -1.2 | 7.6 | 3 | -2.8 | 14.5 | 5 | -4.5 | 20 | 7 | -6 |
| 0.12 | 0.24 | MIN | 0 | 0 | -0.2 | 0 | 0 | -0.3 | 1.2 | 0 | -0.5 | 0 | 0 | -1.2 | 0.15 | 0 | -0.45 | 0.4 | 0 | -1.1 | 0.8 | 0 | -2.4 | 1.2 | 0 | -2.4 | 2.8 | 0 | -4.6 | 4.5 | 0 | -9.5 | 6 | 0 | -13 |
| 0.24 | 0.4 | MAX | 0.65 | 0.4 | 0 | 1 | 0.6 | 0 | 0 | 0.9 | 0 | 3.6 | 2.2 | 0 | 1.2 | 0.6 | -0.2 | 2.8 | 1.4 | -0.5 | 4.6 | 2.2 | -1.6 | 5.2 | 2.2 | -1.6 | 8.7 | 3.5 | -3 | 17 | 6 | -5 | 25 | 9 | -7 |
| 0.24 | 0.4 | MIN | 0 | 0 | -0.25 | 0 | 0 | -0.4 | 1.5 | 0 | -0.6 | 0 | 0 | -1.4 | 0.2 | 0 | -0.6 | 0.5 | 0 | -1.4 | 1 | 0 | -3 | 1.6 | 0 | -3 | 3 | 0 | -5.2 | 5 | 0 | -11 | 7 | 0 | -16 |
| 0.4 | 0.71 | MAX | 0.7 | 0.4 | 0 | 1.1 | 0.7 | 0 | 0 | 1 | 0 | 4.4 | 2.8 | 0 | 1.35 | 0.7 | -0.25 | 3.2 | 1.6 | -0.6 | 5.6 | 2.8 | -2 | 6.4 | 2.8 | -2 | 10.3 | 4 | -3.5 | 20 | 7 | -6 | 28 | 10 | -8 |
| 0.4 | 0.71 | MIN | 0 | 0 | -0.3 | 0 | 0 | -0.4 | 1.7 | 0 | -0.7 | 0 | 0 | -1.6 | 0.25 | 0 | -0.65 | 0.6 | 0 | -1.6 | 1.2 | 0 | -3.6 | 2 | 0 | -3.6 | 3.5 | 0 | -6.3 | 6 | 0 | -13 | 8 | 0 | -18 |
| 0.71 | 1.19 | MAX | 0.9 | 0.5 | 0 | 1.3 | 0.8 | 0 | 0 | 1.2 | 0 | 5.5 | 3.5 | 0 | 1.6 | 0.8 | -0.3 | 4 | 2 | -0.8 | 7.1 | 3.5 | -2.5 | 8 | 3.5 | -2.5 | 13 | 5 | -4.5 | 23 | 8 | -7 | 34 | 12 | -10 |
| 0.71 | 1.19 | MIN | 0 | 0 | -0.4 | 0 | 0 | -0.5 | 2 | 0 | -0.8 | 0 | 0 | -2 | 0.3 | 0 | -0.8 | 0.8 | 0 | -2 | 1.6 | 0 | -4.5 | 2.5 | 0 | -4.5 | 4.5 | 0 | -8 | 7 | 0 | -15 | 10 | 0 | -22 |
| 1.19 | 1.97 | MAX | 1 | 0.6 | 0 | 1.6 | 1 | 0 | 0 | 1.6 | 0 | 6.5 | 4 | 0 | 2 | 1 | -0.4 | 5.1 | 2.5 | -1 | 8.5 | 4 | -3 | 9.5 | 4 | -3 | 15 | 6 | -5 | 28 | 10 | -8 | 44 | 16 | -12 |
| 1.19 | 1.97 | MIN | 0 | 0 | -0.4 | 0 | 0 | -0.6 | 2.6 | 0 | -1 | 0 | 0 | -2.5 | 0.4 | 0 | -1 | 1 | 0 | -2.6 | 2 | 0 | -5.5 | 3.6 | 0 | -5.5 | 5 | 0 | -9 | 8 | 0 | -18 | 12 | 0 | -28 |
| 1.97 | 3.15 | MAX | 1.2 | 0.7 | 0 | 1.9 | 1.2 | 0 | 0 | 1.8 | 0 | 7.5 | 4.5 | 0 | 2.3 | 1.2 | -0.4 | 6 | 3 | -1 | 10 | 4.5 | -4 | 11.5 | 4.5 | -4 | 17.5 | 7 | -6 | 34 | 12 | -10 | 50 | 18 | -14 |
| 1.97 | 3.15 | MIN | 0 | 0 | -0.5 | 0 | 0 | -0.7 | 3 | 0 | -1.2 | 0 | 0 | -3 | 0.4 | 0 | -1.1 | 1.2 | 0 | -3 | 2.5 | 0 | -7 | 4 | 0 | -7 | 6 | 0 | -10.5 | 10 | 0 | -22 | 14 | 0 | -32 |
| 3.15 | 4.73 | MAX | 1.5 | 0.9 | 0 | 2.3 | 1.4 | 0 | 0 | 2.2 | 0 | 8.5 | 5 | 0 | 2.8 | 1.4 | -0.5 | 7.1 | 3.5 | -1.4 | 11.5 | 5 | -5 | 13.5 | 5 | -5 | 21 | 9 | -7 | 39 | 14 | -11 | 60 | 22 | -16 |
| 3.15 | 4.73 | MIN | 0 | 0 | -0.6 | 0 | 0 | -0.9 | 3.6 | 0 | -1.4 | 0 | 0 | -3.5 | 0.5 | 0 | -1.4 | 1.4 | 0 | -3.6 | 3 | 0 | -8.5 | 5 | 0 | -8.5 | 7 | 0 | -12 | 11 | 0 | -25 | 16 | 0 | -38 |
| 4.73 | 7.09 | MAX | 1.7 | 1 | 0 | 2.6 | 1.6 | 0 | 0 | 2.5 | 0 | 0 | 6 | 0 | 3.2 | 1.6 | -0.6 | 8.1 | 4 | -1.6 | 13.5 | 6 | -6 | 16 | 6 | -6 | 24 | 10 | -8 | 44 | 16 | -12 | 68 | 25 | -18 |
| 4.73 | 7.09 | MIN | 0 | 0 | -0.7 | 0 | 0 | -1 | 4.1 | 0 | -1.6 | 10 | 0 | -4 | 0.6 | 0 | -1.6 | 1.6 | 0 | -4.1 | 3.5 | 0 | -10 | 6 | 0 | -10 | 8 | 0 | -14 | 12 | 0 | -28 | 18 | 0 | -43 |
| 7.09 | 9.85 | MAX | 2 | 1.2 | 0 | 3 | 1.8 | 0 | 0 | 2.8 | 0 | 0 | 7 | 0 | 3.6 | 1.8 | -0.6 | 9.3 | 4.5 | -2 | 15.5 | 7 | -7 | 18.5 | 7 | -7 | 29 | 12 | -10 | 52 | 18 | -16 | 78 | 28 | -22 |
| 7.09 | 9.85 | MIN | 0 | 0 | -0.8 | 0 | 0 | -1.2 | 4.6 | 0 | -1.8 | 11.5 | 0 | -4.5 | 0.6 | 0 | -1.8 | 2 | 0 | -4.8 | 4 | 0 | -11.5 | 7 | 0 | -11.5 | 10 | 0 | -17 | 16 | 0 | -34 | 22 | 0 | -50 |
| 9.85 | 12.41 | MAX | 2.1 | 1.2 | 0 | 3.2 | 2 | 0 | 0 | 3 | 0 | 0 | 8 | 0 | 3.9 | 2 | -0.7 | 10.2 | 5 | -2.2 | 17.5 | 8 | -7 | 20 | 8 | -7 | 32 | 12 | -12 | 60 | 20 | -20 | 88 | 30 | -28 |
| 9.85 | 12.41 | MIN | 0 | 0 | -0.9 | 0 | 0 | -1.2 | 5 | 0 | -2 | 13 | 0 | -5 | 0.7 | 0 | -1.9 | 2.2 | 0 | -5.2 | 4.5 | 0 | -12 | 7 | 0 | -12 | 12 | 0 | -20 | 20 | 0 | -40 | 28 | 0 | -58 |
| 12.41 | 15.75 | MAX | 2.4 | 1.4 | 0 | 3.6 | 2.2 | 0 | 0 | 3.5 | 0 | 0 | 9 | 0 | 4.3 | 2.2 | -0.7 | 12 | 6 | -2.5 | 20 | 9 | -8 | 23 | 9 | -8 | 37 | 14 | -14 | 66 | 22 | -22 | 100 | 35 | -30 |
| 12.41 | 15.75 | MIN | 0 | 0 | -1 | 0 | 0 | -1.4 | 5.7 | 0 | -2.2 | 15 | 0 | -6 | 0.7 | 0 | -2.1 | 2.5 | 0 | -6 | 5 | 0 | -14 | 8 | 0 | -14 | 14 | 0 | -23 | 22 | 0 | -44 | 30 | 0 | -65 |
| 15.75 | 19.69 | MAX | 2.6 | 1.6 | 0 | 4.1 | 2.5 | 0 | 0 | 4 | 0 | 0 | 10 | 0 | 4.9 | 2.5 | -0.8 | 12.8 | 6 | -2.8 | 21 | 10 | -9 | 25 | 10 | -9 | 42 | 16 | -16 | 75 | 25 | -25 | 115 | 40 | -35 |
| 15.75 | 19.69 | MIN | 0 | 0 | -1 | 0 | 0 | -1.6 | 6.5 | 0 | -2.5 | 16 | 0 | -6 | 0.8 | 0 | -2.4 | 2.8 | 0 | -6.8 | 5 | 0 | -15 | 9 | 0 | -15 | 16 | 0 | -26 | 25 | 0 | -50 | 35 | 0 | -75 |
| * Pairs of values show maximum and minimium amounts of clearance from application of standard tolerance limits. | |||||||||||||||||||||||||||||||||||
| ANSI Shaft Fits (ANSI B4.1 1967) | ||||||||||||||||||||
| Nominal size Min | Nominal size Max | Type | LT1 | LT1 | LT1 | LT2 | LT2 | LT2 | LT3 | LT3 | LT3 | LT4 | LT4 | LT4 | LT5 | LT5 | LT5 | LT6 | LT6 | LT6 |
| Clearance* | Hole | Shaft | Clearance* | Hole | Shaft | Clearance* | Hole | Shaft | Clearance* | Hole | Shaft | Clearance* | Hole | Shaft | Clearance* | Hole | Shaft | |||
| 0 | 0.12 | MAX | 0.52 | 0.4 | 0.12 | 0.8 | 0.6 | 0.2 | 0.15 | 0.4 | 0.5 | 0.15 | 0.4 | 0.65 | ||||||
| 0 | 0.12 | MIN | -0.12 | 0 | -0.12 | -0.2 | 0 | -0.2 | -0.5 | 0 | 0.25 | -0.65 | 0 | 0.25 | ||||||
| 0.12 | 0.24 | MAX | 0.65 | 0.5 | 0.15 | 0.95 | 0.7 | 0.25 | 0.2 | 0.5 | 0.6 | 0.2 | 0.5 | 0.8 | ||||||
| 0.12 | 0.24 | MIN | -0.15 | 0 | -0.15 | -0.25 | 0 | -0.25 | -0.6 | 0 | 0.3 | -0.8 | 0 | 0.3 | ||||||
| 0.24 | 0.4 | MAX | 0.8 | 0.6 | 0.2 | 1.2 | 0.9 | 0.3 | 0.5 | 0.6 | 0.5 | 0.8 | 0.9 | 0.7 | 0.2 | 0.6 | 0.8 | 0.2 | 0.6 | 1 |
| 0.24 | 0.4 | MIN | -0.2 | 0 | -0.2 | -0.3 | 0 | -0.3 | -0.5 | 0 | 0.1 | -0.7 | 0 | 0.1 | -0.8 | 0 | 0.4 | -1 | 0 | 0.4 |
| 0.4 | 0.71 | MAX | 0.9 | 0.7 | 0.2 | 1.35 | 1 | 0.35 | 0.6 | 0.7 | 0.5 | 0.9 | 1 | 0.8 | 0.2 | 0.7 | 0.9 | 0.2 | 0.7 | 1.2 |
| 0.4 | 0.71 | MIN | -0.25 | 0 | -0.2 | -0.35 | 0 | -0.35 | -0.5 | 0 | 0.1 | -0.8 | 0 | 0.1 | -0.9 | 0 | 0.5 | -1.2 | 0 | 0.5 |
| 0.71 | 1.19 | MAX | 1.05 | 0.8 | 0.25 | 1.6 | 1.2 | 0.4 | 0.7 | 0.8 | 0.6 | 1.1 | 1.2 | 0.9 | 0.2 | 0.8 | 1.1 | 0.2 | 0.8 | 1.4 |
| 0.71 | 1.19 | MIN | -0.3 | 0 | -0.25 | -0.4 | 0 | -0.4 | -0.6 | 0 | 0.1 | -0.9 | 0 | 0.1 | -1.1 | 0 | 0.6 | -1.4 | 0 | 0.6 |
| 1.19 | 1.97 | MAX | 1.3 | 1 | 0.3 | 2.1 | 1.6 | 0.5 | 0.9 | 1 | 0.7 | 1.5 | 1.6 | 1.1 | 0.3 | 1 | 1.3 | 0.3 | 1 | 1.7 |
| 1.19 | 1.97 | MIN | -0.3 | 0 | -0.3 | -0.5 | 0 | -0.5 | -0.7 | 0 | 0.1 | -1.1 | 0 | 0.1 | -1.3 | 0 | 0.7 | -1.7 | 0 | 0.7 |
| 1.97 | 3.15 | MAX | 1.5 | 1.2 | 0.3 | 2.4 | 1.8 | 0.6 | 1.1 | 1.2 | 0.8 | 1.7 | 1.8 | 1.3 | 0.4 | 1.2 | 1.5 | 0.4 | 1.2 | 2 |
| 1.97 | 3.15 | MIN | -0.3 | 0 | -0.3 | -0.6 | 0 | -0.6 | -0.8 | 0 | 0.1 | -1.3 | 0 | 0.1 | -1.5 | 0 | 0.8 | -2 | 0 | 0.8 |
| 3.15 | 4.73 | MAX | 1.8 | 1.4 | 0.4 | 2.9 | 2.2 | 0.7 | 1.3 | 1.4 | 1 | 2.1 | 2.2 | 1.5 | 0.4 | 1.4 | 1.9 | 0.4 | 1.4 | 2.4 |
| 3.15 | 4.73 | MIN | -0.4 | 0 | -0.4 | -0.7 | 0 | -0.7 | -1 | 0 | 0.1 | -1.5 | 0 | 0.1 | -1.9 | 0 | 1 | -2.4 | 0 | 1 |
| 4.73 | 7.09 | MAX | 2.1 | 1.6 | 0.5 | 3.3 | 2.5 | 0.8 | 1.5 | 1.6 | 1.1 | 2.4 | 2.5 | 1.7 | 0.4 | 1.6 | 2.2 | 0.4 | 1.6 | 2.8 |
| 4.73 | 7.09 | MIN | -0.5 | 0 | -0.5 | -0.8 | 0 | -0.8 | -1.1 | 0 | 0.1 | -1.7 | 0 | 0.1 | -2.2 | 0 | 1.2 | -2.8 | 0 | 1.2 |
| 7.09 | 9.85 | MAX | 2.4 | 1.8 | 0.6 | 3.7 | 2.8 | 0.9 | 1.6 | 1.8 | 1.4 | 2.6 | 2.8 | 2 | 0.4 | 1.8 | 2.6 | 0.4 | 1.8 | 3.2 |
| 7.09 | 9.85 | MIN | -0.6 | 0 | -0.6 | -0.9 | 0 | -0.9 | -1.4 | 0 | 0.2 | -2 | 0 | 0.2 | -2.6 | 0 | 1.4 | -3.2 | 0 | 1.4 |
| 9.85 | 12.41 | MAX | 2.6 | 2 | 0.6 | 4 | 3 | 1 | 1.8 | 2 | 1.4 | 2.8 | 3 | 2.2 | 0.6 | 2 | 2.6 | 0.6 | 2 | 3.4 |
| 9.85 | 12.41 | MIN | -0.6 | 0 | -0.6 | -1 | 0 | -1 | -1.4 | 0 | 0.2 | -2 | 0 | 0.2 | -2.6 | 0 | 1.4 | -3.4 | 0 | 1.4 |
| 12.41 | 15.75 | MAX | 2.9 | 2.2 | 0.7 | 4.5 | 3.5 | 1 | 2 | 2.2 | 1.6 | 3.3 | 3.5 | 2.4 | 0.6 | 2.2 | 3 | 0.6 | 2.2 | 3.8 |
| 12.41 | 15.75 | MIN | -0.7 | 0 | -0.7 | -1 | 0 | -1 | -1.6 | 0 | 0.2 | -2.4 | 0 | 0.2 | -3 | 0 | 1.6 | -3.8 | 0 | 1.6 |
| 15.75 | 19.69 | MAX | 3.3 | 2.5 | 0.8 | 5.2 | 4 | 1.2 | 2.3 | 2.5 | 1.8 | 3.8 | 4 | 2.7 | 0.7 | 2.5 | 3.4 | 0.7 | 2.5 | 4.3 |
| 15.75 | 19.69 | MIN | -0.8 | 0 | -0.8 | -1.2 | 0 | -1.2 | -1.8 | 0 | 0.2 | -2.7 | 0 | 0.2 | -3.4 | 0 | 1.8 | -4.3 | 0 | 1.8 |
| * Pairs of values show maximum and minimium amounts of interference (-) and maximum of clearance (+) from application of standard tolerance limits. | ||||||||||||||||||||
| ANSI Shaft Fits (ANSI B4.1 1967) | |||||||||||
| Nominal size Min | Nominal size Max | Type | LN1 | LN1 | LN1 | LN2 | LN2 | LN2 | LN3 | LN3 | LN3 |
| Clearance* | Hole | Shaft | Clearance* | Hole | Shaft | Clearance* | Hole | Shaft | |||
| 0 | 0.12 | MAX | 0.45 | 0.25 | 0.45 | 0.65 | 0.4 | 0.65 | 0.75 | 0.4 | 0.75 |
| 0 | 0.12 | MIN | 0 | 0 | 0.25 | 0 | 0 | 0.4 | 0.1 | 0 | 0.5 |
| 0.12 | 0.24 | MAX | 0.5 | 0.3 | 0.5 | 0.8 | 0.5 | 0.8 | 0.9 | 0.5 | 0.9 |
| 0.12 | 0.24 | MIN | 0 | 0 | 0.3 | 0 | 0 | 0.5 | 0.1 | 0 | 0.6 |
| 0.24 | 0.4 | MAX | 0.65 | 0.4 | 0.65 | 1 | 0.6 | 1 | 1.2 | 0.6 | 1.2 |
| 0.24 | 0.4 | MIN | 0 | 0 | 0.4 | 0 | 0 | 0.6 | 0.2 | 0 | 0.8 |
| 0.4 | 0.71 | MAX | 0.8 | 0.4 | 0.8 | 1.1 | 0.7 | 1.1 | 1.4 | 0.7 | 1.4 |
| 0.4 | 0.71 | MIN | 0 | 0 | 0.4 | 0 | 0 | 0.7 | 0.3 | 0 | 1 |
| 0.71 | 1.19 | MAX | 1 | 0.5 | 1 | 1.3 | 0.8 | 1.3 | 1.7 | 0.8 | 1.7 |
| 0.71 | 1.19 | MIN | 0 | 0 | 0.5 | 0 | 0 | 0.8 | 0.4 | 0 | 1.2 |
| 1.19 | 1.97 | MAX | 1.1 | 0.6 | 1.1 | 1.6 | 1 | 1.6 | 2 | 1 | 2 |
| 1.19 | 1.97 | MIN | 0 | 0 | 0.6 | 0 | 0 | 1 | 0.4 | 0 | 1.4 |
| 1.97 | 3.15 | MAX | 1.3 | 0.7 | 1.3 | 2.1 | 1.2 | 2.1 | 2.3 | 1.2 | 2.3 |
| 1.97 | 3.15 | MIN | 0.1 | 0 | 0.8 | 0.2 | 0 | 1.4 | 0.4 | 0 | 1.6 |
| 3.15 | 4.73 | MAX | 1.6 | 0.9 | 1.6 | 2.5 | 1.4 | 2.5 | 2.9 | 1.4 | 2.9 |
| 3.15 | 4.73 | MIN | 0.1 | 0 | 1 | 0.2 | 0 | 1.6 | 0.6 | 0 | 2 |
| 4.73 | 7.09 | MAX | 1.9 | 1 | 1.9 | 2.8 | 1.6 | 2.8 | 3.5 | 1.6 | 3.5 |
| 4.73 | 7.09 | MIN | 0.2 | 0 | 1.2 | 0.2 | 0 | 1.8 | 0.9 | 0 | 2.5 |
| 7.09 | 9.85 | MAX | 2.2 | 1.2 | 2.2 | 3.2 | 1.8 | 3.2 | 4.2 | 1.8 | 4.2 |
| 7.09 | 9.85 | MIN | 0.2 | 0 | 1.4 | 0.2 | 0 | 2 | 1.2 | 0 | 3 |
| 9.85 | 12.41 | MAX | 2.3 | 1.2 | 2.3 | 3.4 | 2 | 3.4 | 4.7 | 2 | 4.7 |
| 9.85 | 12.41 | MIN | 0.2 | 0 | 1.4 | 0.2 | 0 | 2.2 | 1.5 | 0 | 3.5 |
| 12.41 | 15.75 | MAX | 2.6 | 1.4 | 2.6 | 3.9 | 2.2 | 3.9 | 5.9 | 2.2 | 5.9 |
| 12.41 | 15.75 | MIN | 0.2 | 0 | 1.6 | 0.3 | 0 | 2.5 | 2.3 | 0 | 4.5 |
| 15.75 | 19.69 | MAX | 2.8 | 1.6 | 2.8 | 4.4 | 2.5 | 4.4 | 6.6 | 2.5 | 6.6 |
| 15.75 | 19.69 | MIN | 0.2 | 0 | 1.8 | 0.3 | 0 | 2.8 | 2.5 | 0 | 5 |
| * Pairs of values show maximum and minimium amounts of interference from application of standard tolerance limits. | |||||||||||
| ANSI Shaft Fits (ANSI B4.1 1967) (pg 654) | |||||||||||||||||
| Nominal size Min | Nominal size Max | Type | FN1 | FN1 | FN1 | FN2 | FN2 | FN2 | FN3 | FN3 | FN3 | FN4 | FN4 | FN4 | FN5 | FN5 | FN5 |
| Clearance* | Hole | Shaft | Clearance* | Hole | Shaft | Clearance* | Hole | Shaft | Clearance* | Hole | Shaft | Clearance* | Hole | Shaft | |||
| 0 | 0.12 | MAX | 0.5 | 0.25 | 0.5 | 0.85 | 0.4 | 0.85 | 0.95 | 0.4 | 0.95 | 1.3 | 0.6 | 1.3 | |||
| 0 | 0.12 | MIN | 0.05 | 0 | 0.3 | 0.2 | 0 | 6 | 0.3 | 0 | 0.7 | 0.3 | 0 | 0.9 | |||
| 0.12 | 0.24 | MAX | 0.6 | 0.3 | 0.6 | 1 | 0.5 | 1 | 1.2 | 0.5 | 1.2 | 1.7 | 0.7 | 1.7 | |||
| 0.12 | 0.24 | MIN | 0.1 | 0 | 0.4 | 0.2 | 0 | 0.7 | 0.4 | 0 | 0.9 | 0.5 | 0 | 1.2 | |||
| 0.24 | 0.4 | MAX | 0.75 | 0.4 | 0.75 | 1.4 | 0.6 | 1.4 | 1.6 | 0.6 | 1.6 | 2 | 0.9 | 2 | |||
| 0.24 | 0.4 | MIN | 0.1 | 0 | 0.5 | 0.4 | 0 | 1 | 0.6 | 0 | 1.2 | 0.5 | 0 | 1.4 | |||
| 0.4 | 0.56 | MAX | 0.8 | 0.4 | 0.8 | 1.6 | 0.7 | 1.6 | 1.8 | 0.7 | 1.8 | 2.3 | 1 | 2.3 | |||
| 0.4 | 0.56 | MIN | 0.1 | 0 | 0.5 | 0.5 | 0 | 1.2 | 0.7 | 0 | 1.4 | 0.6 | 0 | 1.6 | |||
| 0.56 | 0.71 | MAX | 0.9 | 0.4 | 0.9 | 1.6 | 0.7 | 1.6 | 1.8 | 0.7 | 1.8 | 2.5 | 1 | 2.5 | |||
| 0.56 | 0.71 | MIN | 0.2 | 0 | 0.6 | 0.5 | 0 | 1.2 | 0.7 | 0 | 1.4 | 0.8 | 0 | 1.8 | |||
| 0.71 | 0.95 | MAX | 1.1 | 0.5 | 1.1 | 1.9 | 0.8 | 1.9 | 2.1 | 0.8 | 2.1 | 3 | 1.2 | 3 | |||
| 0.71 | 0.95 | MIN | 0.2 | 0 | 0.7 | 0.6 | 0 | 1.4 | 0.8 | 0 | 1.6 | 1 | 0 | 2.2 | |||
| 0.95 | 1.19 | MAX | 1.2 | 0.5 | 1.2 | 1.9 | 0.8 | 1.9 | 2.1 | 0.8 | 2.1 | 2.3 | 0.8 | 2.3 | 3.3 | 1.2 | 3.3 |
| 0.95 | 1.19 | MIN | 0.3 | 0 | 0.8 | 0.6 | 0 | 1.4 | 0.8 | 0 | 1.6 | 1 | 0 | 1.8 | 1.3 | 0 | 2.5 |
| 1.19 | 1.58 | MAX | 1.3 | 0.6 | 1.3 | 2.4 | 1 | 2.4 | 2.6 | 1 | 2.6 | 3.1 | 1 | 3.1 | 4 | 1.6 | 4 |
| 1.19 | 1.58 | MIN | 0.3 | 0 | 0.9 | 0.8 | 0 | 1.8 | 1 | 0 | 2 | 1.5 | 0 | 2.5 | 1.4 | 0 | 3 |
| 1.58 | 1.97 | MAX | 1.4 | 0.6 | 1.4 | 2.4 | 1 | 2.4 | 2.8 | 1 | 2.8 | 3.4 | 1 | 3.4 | 5 | 1.6 | 5 |
| 1.58 | 1.97 | MIN | 0.4 | 0 | 1 | 0.8 | 0 | 1.8 | 1.2 | 0 | 2.2 | 1.8 | 0 | 2.8 | 2.4 | 0 | 4 |
| 1.97 | 2.56 | MAX | 1.8 | 0.7 | 1.8 | 2.7 | 1.2 | 2.7 | 3.2 | 1.2 | 3.2 | 4.2 | 1.2 | 4.2 | 6.2 | 1.8 | 6.2 |
| 1.97 | 2.56 | MIN | 0.6 | 0 | 1.3 | 0.8 | 0 | 2 | 1.3 | 0 | 2.5 | 2.3 | 0 | 3.5 | 3.2 | 0 | 5 |
| 2.56 | 3.15 | MAX | 1.9 | 0.7 | 1.9 | 2.9 | 1.2 | 2.9 | 3.7 | 1.2 | 3.7 | 4.7 | 1.2 | 4.7 | 7.2 | 1.8 | 7.2 |
| 2.56 | 3.15 | MIN | 0.7 | 0 | 1.4 | 1 | 0 | 2.2 | 1.8 | 0 | 3 | 2.8 | 0 | 4 | 4.2 | 0 | 6 |
| 3.15 | 3.94 | MAX | 2.4 | 0.9 | 2.4 | 3.7 | 1.4 | 3.7 | 4.4 | 1.4 | 4.4 | 5.9 | 1.4 | 5.9 | 8.4 | 2.2 | 8.4 |
| 3.15 | 3.94 | MIN | 0.9 | 0 | 1.8 | 1.4 | 0 | 2.8 | 2.1 | 0 | 3.5 | 3.6 | 0 | 5 | 4.8 | 0 | 7 |
| 3.94 | 4.73 | MAX | 2.6 | 0.9 | 2.6 | 3.9 | 1.4 | 3.9 | 4.9 | 1.4 | 4.9 | 6.9 | 1.4 | 6.9 | 9.4 | 2.2 | 9.4 |
| 3.94 | 4.73 | MIN | 1.1 | 0 | 2 | 1.6 | 0 | 3 | 2.6 | 0 | 4 | 4.6 | 0 | 6 | 5.8 | 0 | 8 |
| 4.73 | 5.52 | MAX | 2.9 | 1 | 2.9 | 4.5 | 1.6 | 4.5 | 6 | 1.6 | 6 | 8 | 1.6 | 8 | 11.6 | 2.5 | 11.6 |
| 4.73 | 5.52 | MIN | 1.2 | 0 | 2.2 | 1.9 | 0 | 3.5 | 3.4 | 0 | 5 | 5.4 | 0 | 7 | 7.5 | 0 | 10 |
| 5.52 | 6.3 | MAX | 3.2 | 1 | 3.2 | 5 | 1.6 | 5 | 6 | 1.6 | 6 | 8 | 1.6 | 8 | 13.6 | 2.5 | 13.6 |
| 5.52 | 6.3 | MIN | 1.5 | 0 | 2.5 | 2.4 | 0 | 4 | 3.4 | 0 | 5 | 5.4 | 0 | 7 | 9.5 | 0 | 12 |
| 6.3 | 7.09 | MAX | 3.5 | 1 | 3.5 | 5.5 | 1.6 | 5.5 | 7 | 1.6 | 7 | 9 | 1.6 | 9 | 13.6 | 2.5 | 13.6 |
| 6.3 | 7.09 | MIN | 1.8 | 0 | 2.8 | 2.9 | 0 | 4.5 | 4.4 | 0 | 6 | 6.4 | 0 | 8 | 9.5 | 0 | 12 |
| 7.09 | 7.88 | MAX | 3.8 | 1.2 | 3.8 | 6.2 | 1.8 | 6.2 | 8.2 | 1.8 | 8.2 | 10.2 | 1.8 | 10.2 | 15.8 | 2.8 | 15.8 |
| 7.09 | 7.88 | MIN | 1.8 | 0 | 3 | 3.2 | 0 | 5 | 5.2 | 0 | 7 | 7.2 | 0 | 9 | 11.2 | 0 | 14 |
| 7.88 | 8.86 | MAX | 4.3 | 1.2 | 4.3 | 6.2 | 1.8 | 6.2 | 8.2 | 1.8 | 8.2 | 11.2 | 1.8 | 11.2 | 17.8 | 2.8 | 17.8 |
| 7.88 | 8.86 | MIN | 2.3 | 0 | 3.5 | 3.2 | 0 | 5 | 5.2 | 0 | 7 | 8.2 | 0 | 10 | 13.2 | 0 | 16 |
| 8.86 | 9.85 | MAX | 4.3 | 1.2 | 4.3 | 7.2 | 1.8 | 7.2 | 9.2 | 1.8 | 9.2 | 13.2 | 1.8 | 13.2 | 17.8 | 2.8 | 17.8 |
| 8.86 | 9.85 | MIN | 2.3 | 0 | 3.5 | 4.2 | 0 | 6 | 6.2 | 0 | 8 | 10.2 | 0 | 12 | 13.2 | 0 | 16 |
| 9.85 | 11.03 | MAX | 4.9 | 1.2 | 4.9 | 7.2 | 2 | 7.2 | 10.2 | 2 | 10.2 | 13.2 | 2 | 13.2 | 20 | 3 | 20 |
| 9.85 | 11.03 | MIN | 2.8 | 0 | 4 | 4.2 | 0 | 6 | 7 | 0 | 9 | 10.2 | 0 | 12 | 15 | 0 | 18 |
| 11.03 | 12.41 | MAX | 4.9 | 1.2 | 4.9 | 8.2 | 2 | 8.2 | 10.2 | 2 | 10.2 | 15.2 | 2 | 15.2 | 22 | 3 | 22 |
| 11.03 | 12.41 | MIN | 2.8 | 0 | 4 | 5 | 0 | 7 | 7 | 0 | 9 | 12 | 0 | 14 | 17 | 0 | 20 |
| 12.41 | 13.98 | MAX | 5.5 | 1.4 | 5.5 | 9.4 | 2.2 | 9.4 | 11.4 | 2.2 | 11.4 | 17.4 | 2.2 | 17.4 | 24.2 | 3.5 | 24.2 |
| 12.41 | 13.98 | MIN | 3.1 | 0 | 4.5 | 5.8 | 0 | 8 | 7.8 | 0 | 10 | 13.8 | 0 | 16 | 18.5 | 0 | 22 |
| 13.98 | 15.75 | MAX | 6.1 | 1.4 | 6.1 | 9.4 | 2.2 | 9.4 | 13.4 | 2.2 | 13.4 | 19.4 | 2.2 | 19.4 | 27.2 | 3.5 | 27.2 |
| 13.98 | 15.75 | MIN | 3.6 | 0 | 5 | 5.8 | 0 | 8 | 9.8 | 0 | 12 | 15.8 | 0 | 18 | 21.5 | 0 | 25 |
| 15.75 | 17.72 | MAX | 7 | 1.6 | 7 | 10.6 | 2.5 | 10.6 | 13.6 | 2.5 | 13.6 | 21.6 | 2.5 | 21.6 | 30.5 | 4 | 30.5 |
| 15.75 | 17.72 | MIN | 4.4 | 0 | 6 | 6.5 | 0 | 9 | 9.5 | 0 | 12 | 17.5 | 0 | 20 | 24 | 0 | 28 |
| 17.72 | 19.69 | MAX | 7 | 1.6 | 7 | 11.6 | 2.5 | 11.6 | 15.6 | 2.5 | 15.6 | 23.6 | 2.5 | 23.6 | 32.5 | 4 | 32.5 |
| 17.72 | 19.69 | MIN | 4.4 | 0 | 6 | 7.5 | 0 | 9 | 11.5 | 0 | 14 | 19.5 | 0 | 22 | 26 | 0 | 30.5 |
| * Pairs of values show maximum and minimium amounts of interference from application of standard tolerance limits. | |||||||||||||||||