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
Print Back
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

 40CB525
Torque Rating (75 psi/5.5 bar)1 422000 lb·in47700 Nm
Maximum Speed2 750 rpm

Centrifugal Loss Constant Cs

 3.59 E-06 bar/rpm2 52 E-06 psi/rpm2

Inertia

 1502 lb·ft²63.08 kg·m²

Weight

 413 lb187 kg

Friction Area

 1220 in²7869 cm²

New Friction Lining Thickness

 0.33 in8 mm

Worn Friction Lining Thickness

 0.06 in2 mm
Air Tube Cavity3 760 in³12.5 dm³

Minimum Drum Diameter

 39.81 in1011 mm

Dimension D2

 14.44 in367 mm

Dimension D25

 0.25 in6 mm
Dimension G4 48.625 in1235.1 mm

Dimension H2

 47.125 in1197 mm

Dimension H6

 40.19 in1021 mm

Dimension H7

 47.25 in1200 mm

Number of Mounting Holes

 20

Bolt Hole Size L

 0.750 in19 mm

Dimension O3

 0.63 in16 mm

Air Inlet Thread

 3/4-14

Angle Q

 9.000 º

Dimension V

 0.84 in21 mm

Number of Friction Shoes

 48

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)