Product Details: Manufacturer Part Number: 4J|Coupling Type|One Piece Solid SleeveCoupling Size Code|4Minimum Bore Diameter (mm)|Minimum Bore Diameter (mm)|Minimum Bore Diameter (Decimal Inch)|Type|Minimum Bore Diameter (Inch)|Maximum Bore Diameter (mm)|Overall Length (Inch)|1-1/4Maximum Bore Diameter (Inch)|Outside Diameter (mm)|Bore Diameter (Decimal Inch)|Outside Diameter (Decimal Inch - 4 Decimals)|2.3125Outside Diameter (Inch)|Material|Ethylene Propylene Diene MonomerSeries|Sure-FlexThread Size|Overall Length (Decimal Inch)|1.2500Overall Length (mm)|Special Item Information|For Complete Coupling; Order 2 Coupling Hubs (of the Same OD; Bores can be Different) & 1 InsertTorque (In/Lb)|120.00MaximumAssemblyOAL (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)|18.00Bore Diameter (mm)|Hub Diameter (Decimal Inch)|Maximum Rpm|UNSPSC Code|