The Rowland Company
The Rowland Company
4900 North 20th St.
Philadelphia, PA 19144
Toll Free: (800) 925-8824
Phone: (215) 455-4900
Fax: (215) 455-8888
Email: rowland@rowland2.com
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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

 24CB500
Torque Rating (75 psi/5.5 bar)1 150000 lb·in17000 Nm
Maximum Speed2 1200 rpm

Centrifugal Loss Constant Cs

 2.07 E-06 bar/rpm2 30 E-06 psi/rpm2

Inertia

 292 lb·ft²12.26 kg·m²

Weight

 209 lb95 kg

Friction Area

 676 in²4360 cm²

New Friction Lining Thickness

 0.26 in7 mm

Worn Friction Lining Thickness

 0.06 in2 mm
Air Tube Cavity3 400 in³6.56 dm³

Minimum Drum Diameter

 23.87 in606 mm

Dimension D2

 13.63 in346 mm

Dimension D25

 0.19 in5 mm
Dimension G4 31.500 in800.1 mm

Dimension H2

 30.375 in771.5 mm

Dimension H6

 24.19 in614 mm

Dimension H7

 30.38 in772 mm

Number of Mounting Holes

 16

Bolt Hole Size L

 0.500 in13 mm

Dimension O3

 0.38 in10 mm

Air Inlet Thread

 3/8-18

Angle Q

 11.250 º

Dimension V

 0.81 in21 mm

Number of Friction Shoes

 28

Friction Shoe Width (W)

 12.00 in305 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)