NBK Japan MJC-55CSK-EGR 1/2" to 1"inch Jaw-type Flexible Coupling N224EG the internal thread size is

the internal thread size is 7/16"

NBK Japan MJC-80CS-WH 22mm to 7/8 inch

Dynamic: 5

Need smooth speed without the bulk

NBK Japan MJC-55CSK-RD 11mm to 1/2 inch

NBK Japan MJC-55CSK-EGR 1/2" to 1"inch Jaw-type Flexible Coupling N224EG the internal thread size isNBK Japan MJC 55CSK EGR 1 2 inch to 1 inch Jaw type Flexible Coupling NBK Japan MJC 55CSK EGR 1 2 inch to 1 inch Jaw type Flexible Coupling NBK Japan MJC 55CSK EGR 1 2 inch to 1 inch Jaw type Flexible Coupling, this is a Jaw type flexible coupling. The bellows allows eccentricity, angularmisalignment, and end play. Coupling Bore 1 Diameter: 1 2 inch Coupling Bore 2 Diameter: 1 inch Coupling Length: 78 Coupling Outer Diameter: 55 Material: Stainless