Ruland Ruland Jaw Coupling, 19mm Outside Diameter, 4mm Bore, 27.2mm Length Coupler Part: MJS19-4-A

Small jaw coupling connecting tiny shafts in precision machinery.

Ruland Ruland Jaw Coupling, 19mm Outside Diameter, 4mm Bore, 27.2mm Length Coupler Part: MJC19-4-A

Small jaw coupling for light-duty machinery shaft connection.

Huco Huco Oldham Coupling, 19mm Outside Diameter, 4mm Bore Coupler Part: 453H19.18

Compact Oldham coupling for small shaft connections with parallel misalignment tolerance.