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142434

Dual Flange CB Elements

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.

Specifications

Size

20CB500

Torque Rating (75 psi/5.5 bar)1

107200 lb·in
12100 Nm

Maximum Speed2

1300 rpm

Centrifugal Loss Constant Cs

25 E-06 psi/rpm2
1.73 E-06 bar/rpm2

Inertia

185 lb·ft²
7.77 kg·m²

Weight

180 lb
82 kg

Friction Area

576 in²
3715 cm²

New Friction Lining Thickness

0.26 in
7 mm

Worn Friction Lining Thickness

0.06 in
2 mm

Air Tube Cavity3

340 in³
5.58 dm³

Minimum Drum Diameter

19.87 in
505 mm

Dimension D2

13.63 in
346 mm

Dimension D24

N/A

Dimension D25

0.19 in
5 mm

Dimension G4

27.500 in
698.5 mm

Dimension G1

N/A

Dimension H2

26.375 in
669.9 mm

Dimension H6

20.19 in
513 mm

Dimension H7

26.38 in
670 mm

Number of Mounting Holes

12

Bolt Hole Size L

0.500 in
13 mm

Dimension O3

0.38 in
10 mm

Air Inlet Thread

3/8-18

Angle Q

15.000 º

Dimension V

0.81 in
21 mm

Number of Friction Shoes

21

Friction Shoe Width (W)

12.00 in
305 mm

Manufacturer

N/A

Notes

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)