NBK Japan MJC-55-BL 12mm to 13/16" inch Jaw-type Flexible Coupling 🔔 greased bearings Rubber seals keep out dirt

Rubber seals keep out dirt while the low friction grease reduces drag for improved performance

outer diameter is 30mm and width is 7mm

This handy answer explains practical uses for hobby engines and gear trains

6912 Nachi Bearing

NBK Japan MJC-55-BL 12mm to 13/16" inch Jaw-type Flexible Coupling 🔔 greased bearings Rubber seals keep out dirtNBK Japan MJC 55 BL 12mm to 13 16 inch Jaw type Flexible Coupling NBK Japan MJC 55 BL 12mm to 13 16 inch Jaw type Flexible Coupling NBK Japan MJC 55 BL 12mm to 13 16 inch Jaw type Flexible Coupling, this is a Jaw type flexible coupling. The bellows allows eccentricity, angularmisalignment, and end play. Coupling Bore 1 Diameter: 12mm Coupling Bore 2 Diameter: 13 16 inch Coupling Length: 78 Coupling Outer Diameter: 55 Material: Stainless This is a jaw