NBK Japan MJC-55K-RD 22mm to 1"inch Jaw-type Flexible Coupling 57100 8 x 22 x 11

8 x 22 x 11 bearing has built-in rubber seals in order to protect the moving elements from dust or any possible contamination

this is the one

500 RPM (grease)

NN3011M2KC1NA P4 Roller Bearing

NBK Japan MJC-55K-RD 22mm to 1"inch Jaw-type Flexible Coupling 57100 8 x 22 x 11NBK Japan MJC 55K RD 22mm to 1 inch Jaw type Flexible Coupling NBK Japan MJC 55K RD 22mm to 1 inch Jaw type Flexible Coupling NBK Japan MJC 55K RD 22mm 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: 22mm Coupling Bore 2 Diameter: 1 inch Coupling Length: 78 Coupling Outer Diameter: 55 Material: Stainless This is a jaw type flexible