Z19A/B Expansion Sleeve designed for modern transmission systems requiring high power density, the Z19A/B series offers an exceptional balance of compact size and high torque capacity.

How It Works: The Z19A/B utilizes a double-taper friction locking mechanism. When the high-strength bolts are tightened, the inner and outer rings expand to create a powerful interference fit between the shaft and the hub. This allows for the secure transmission of heavy torque and axial loads without the need for keys or splines.