Oldham Couplings are a class of coupling called Misalignment Couplings - The sliding center elements of these couplings compensate for lateral and angular misalignment caused by tolerance buildup or as a result of mounting.
Sizes : 1/8" to 5/8"
Range of Max. Para. Misalign.: .030" to .200"
Range of Max. Ang. Misalign.: 1/2°-1 1/4°