It has a 0.375" bore, 3/32" keyway, 1.313" OD, and 0.590" length.
The complete coupling has a balanced design and can accommodate speeds of up to 4,500 RPM.Keyed Clamp Oldham Cplg Hub, Bore 0. Stainless steel hubs can be used in high corrosion, high temperature, and cleanroom environments when combined with a PEEK disk. Hardware is metric and tests beyond DIN 912 12.