Bolt Circle (Q)1.125 inches, 28.58 mmDimension (B)1.490 inches, 37.85 mmDimension (D)1.625 inches, 41.28 mmDimension (E)0.855 inches, 21.72 mmDimension (G)1.490 inches, 37.85 mmDimension (H)0.250 inches, 6.35 mmDimension (H1)1.250 inches, 31.75 mmDimension (I)0.563 inches, 14.30 mmDimension (J)1.187 inches, 30.15 mmDimension (L)0.750 inches, 19.05 mmDimension (M)0.375 inches, 9.53 mmMax Shaft Bore (C)0.563 inches, 15 mmMinimum Bore0.250 inches, 8 mmOutside Diameter (A)2.000 inches, 50.80 mmOverall Length (K)2.500 inches, 63.50 mmThread Size (R)1/4 in-20 x 1/2 in Deep, 1/4 in-20 x 12.7 mm DeepTorque Range4 - 150 in-lbs, 0.5 - 16.9 Nm
| Bolt Circle (Q) | 1.125 inches, 28.58 mm |
| Dimension (B) | 1.490 inches, 37.85 mm |
| Dimension (D) | 1.625 inches, 41.28 mm |
| Dimension (E) | 0.855 inches, 21.72 mm |
| Dimension (G) | 1.490 inches, 37.85 mm |
| Dimension (H) | 0.250 inches, 6.35 mm |
| Dimension (H1) | 1.250 inches, 31.75 mm |
| Dimension (I) | 0.563 inches, 14.30 mm |
| Dimension (J) | 1.187 inches, 30.15 mm |
| Dimension (L) | 0.750 inches, 19.05 mm |
| Dimension (M) | 0.375 inches, 9.53 mm |
| Max Shaft Bore (C) | 0.563 inches, 15 mm |
| Minimum Bore | 0.250 inches, 8 mm |
| Outside Diameter (A) | 2.000 inches, 50.80 mm |
| Overall Length (K) | 2.500 inches, 63.50 mm |
| Thread Size (R) | 1/4 in-20 x 1/2 in Deep, 1/4 in-20 x 12.7 mm Deep |
| Torque Range | 4 - 150 in-lbs, 0.5 - 16.9 Nm |