Specifications
The document provides specifications for the 4” x 7” series of ventilated brake discs. These discs are designed for tensioning and controlled braking applications and are compatible with the 5025, 5026, and 5030 caliper brakes. Five sizes are available, and they can be supplied with a rough stock bore or custom mounting details. The discs are available in bronze and can be balanced.

Ventilated Disc Performance
The performance chart indicates cooling power in kilowatts and horsepower at specific disc and ambient temperatures. The chart also shows maximum permissible disc speed and recommended speed without balancing. Key features include the need for derating factors in cases of obstructed airflow and safety margins for uncertainties.

Heat Sinking Capacity
The heat sinking capacity is provided for different disc part numbers, with values in kilojoules per Kelvin and horsepower-seconds per Fahrenheit.

Disc Specifications
Each disc part number is detailed with specifications including outer diameter, diameter 'B', thickness 'C', angle 'G', rough stock bore (RSB), maximum speed, inertia, and weight. The maximum temperature for these discs is 700°F (371°C).

Model Code Key
The model code key explains the coding for added options, mounting details, material code, and disc diameter. Options include balanced discs, standard or custom mounting details, and material options of standard or bronze.