Products Catalog
Two dual flanged elements can be bolted together to form a dual element having twice the torque capacity of a single element. Dual elements can be furnished in sizes 12CB350 through 45CB525.
Unit of Measure

Specifications

Size

 30CB525
Torque Rating (75 psi/5.5 bar)1 242000 lb·in27300 Nm
Maximum Speed2 950 rpm

Centrifugal Loss Constant Cs

 2.76 E-06 bar/rpm2 40 E-06 psi/rpm2

Inertia

 621 lb·ft²26.08 kg·m²

Weight

 302 lb137 kg

Friction Area

 916 in²5908 cm²

New Friction Lining Thickness

 0.33 in8 mm

Worn Friction Lining Thickness

 0.06 in2 mm
Air Tube Cavity3 580 in³9.51 dm³

Minimum Drum Diameter

 29.81 in757 mm

Dimension D2

 14.44 in367 mm

Dimension D25

 0.25 in6 mm
Dimension G4 38.000 in965.2 mm

Dimension H2

 36.750 in933.5 mm

Dimension H6

 30.19 in767 mm

Dimension H7

 36.50 in927 mm

Number of Mounting Holes

 16

Bolt Hole Size L

 0.625 in16 mm

Dimension O3

 0.50 in13 mm

Air Inlet Thread

 1/2-14

Angle Q

 11.250 º

Dimension V

 0.84 in21 mm

Number of Friction Shoes

 36

Friction Shoe Width (W)

 12.69 in322 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:
    12 thru 24, 28 and 32
    +0.000/-0.005 in (+0.00/-0.13 mm)
    26 and 30
    +0.000/-0.008 in (+0.00/-0.20 mm)
    36 thru 45
    +0.000/-0.010 in (+0.00/-0.25 mm)