NBK Japan MJS-55CS-RD 19mm to 22mm Jaw-type Flexible Coupling outer 14mm 6321DDU bearing is made from

6321DDU bearing is made from Chrome Steel with chrome steel balls and steel cage

NBK Japan MJC-30CSK-GR 16mm to 16mm Jaw-type Flexible Coupling

the NJ212 inner diameter is 60mm

5 17 15 11 9 12 10 2

Fits Rolf Prima Carbon Front HUB Bicycle

NBK Japan MJS-55CS-RD 19mm to 22mm Jaw-type Flexible Coupling outer 14mm 6321DDU bearing is made fromNBK Japan MJS 55CS RD 19mm to 22mm Jaw type Flexible Coupling NBK Japan MJS 55CS RD 19mm to 22mm Jaw type Flexible Coupling NBK Japan MJS 55CS RD 19mm to 22mm Jaw type Flexible Coupling, this is a Jaw type flexible coupling. The bellows allows eccentricity, angularmisalignment, and end play. Coupling Bore 1 Diameter: 19mm Coupling Bore 2 Diameter: 22mm Coupling Length: 54 Coupling Outer Diameter: 55 Material: Stainless This is a jaw type flexible