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Section B
Form CB-402
Unit of Measure

Specifications

Size

 N/A 45CB525
Torque Rating (75 psi/5.5 bar)1 N/A 260000 lb·in29400 Nm
Maximum Speed2 N/A 670 rpm

Centrifugal Loss Constant Cs

 N/A 4.42 E-06 bar/rpm2 64 E-06 psi/rpm2

Inertia

 N/A 1115 lb·ft²46.83 kg·m²

Weight

 N/A 262 lb119 kg

Friction Area

 N/A 675 in²4354 cm²

New Friction Lining Thickness

 N/A 0.33 in8 mm

Worn Friction Lining Thickness

 N/A 0.06 in2 mm
Air Tube Cavity3 N/A 430 in³7.05 dm³

Minimum Drum Diameter

 N/A 44.75 in1137 mm

Dimension D2

 N/A 6.94 in176 mm

Dimension D24

 N/A 2.75 in70 mm

Dimension D25

 N/A 0.28 in7 mm
Dimension G4 N/A 53.625 in1362.1 mm

Dimension G1

 N/A 50.69 in1287 mm

Dimension H2

 N/A 52.125 in1324 mm

Dimension H6

 N/A 45.19 in1148 mm

Dimension H7

 N/A 52.25 in1327 mm

Number of Mounting Holes

 N/A 24

Bolt Hole Size L

 N/A 0.750 in19 mm

Dimension O3

 N/A 0.63 in16 mm

Air Inlet Thread

 N/A 3/4-14

Angle Q

 N/A 7.500 º

Dimension V

 N/A 0.84 in21 mm

Number of Friction Shoes

 N/A 27

Friction Shoe Width (W)

 N/A 5.25 in133 mm

Note

N/A Refers to basic part number only. When ordering, the number of air inlets and type of connection must be specified.

  • 1 Dynamic torque shown, static torque approximately 25% greater. Torque in each application is dependent upon air pressure and speed.
  • 2 Maximum rpm is dependent upon operating conditions and varies for each application. Consult factory for applications exceeding these speeds.
  • 3 Drum contact with worn shoes.
  • 4 Tolerance for sizes:
    3 thru 5
    +0.000/-0.003 in (+0.00/-0.08 mm)
    6 and larger
    +0.000/-0.005 in (+0.00/-0.13 mm)