Product Details: Manufacturer Part Number: 8H|Coupling Type|One Piece Solid SleeveCoupling Size Code|8Minimum Bore Diameter (mm)|Minimum Bore Diameter (mm)|Minimum Bore Diameter (Decimal Inch)|Type|Minimum Bore Diameter (Inch)|Maximum Bore Diameter (mm)|Overall Length (Inch)|2-1/2Maximum Bore Diameter (Inch)|Outside Diameter (mm)|Bore Diameter (Decimal Inch)|Outside Diameter (Decimal Inch - 4 Decimals)|5.0625Outside Diameter (Inch)|Material|HytrelSeries|Sure-FlexThread Size|Overall Length (Decimal Inch)|2.5000Overall Length (mm)|Special Item Information|For Complete Coupling; Order 2 Coupling Hubs (of the Same OD; Bores can be Different) & 1 InsertTorque (In/Lb)|4530.00MaximumAssemblyOAL (Inch)|Style|Inside Diameter (Inch)|Inside Diameter (Decimal Inch)|Material Grade|Keyway Width|Hub Diameter (Inch)|Keyway Depth (Fractional Inch)|Keyway Width (Inch)|Hub Diameter (mm)|Bore Depth (Decimal Inch)|Keyway Depth (mm)|Torque (N/m)|512.00Bore Diameter (mm)|Hub Diameter (Decimal Inch)|Maximum Rpm|UNSPSC Code|