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142731

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

12CB350

Torque Rating (75 psi/5.5 bar)1

26600 lb·in
3010 Nm

Maximum Speed2

1800 rpm

Centrifugal Loss Constant Cs

12 E-06 psi/rpm2
0.83 E-06 bar/rpm2

Inertia

25 lb·ft²
1.05 kg·m²

Weight

62 lb
28 kg

Friction Area

256 in²
1651 cm²

New Friction Lining Thickness

0.20 in
5 mm

Worn Friction Lining Thickness

0.06 in
2 mm

Air Tube Cavity3

160 in³
2.62 dm³

Minimum Drum Diameter

11.9 in
302 mm

Dimension D2

10.13 in
257 mm

Dimension D24

N/A

Dimension D25

0.19 in
5 mm

Dimension G4

17.625 in
447.7 mm

Dimension G1

N/A

Dimension H2

16.875 in
428.6 mm

Dimension H6

12.13 in
308 mm

Dimension H7

16.88 in
429 mm

Number of Mounting Holes

14

Bolt Hole Size L

0.375 in
10 mm

Dimension O3

0.31 in
8 mm

Air Inlet Thread

3/8-18

Angle Q

12.857 º

Dimension V

0.69 in
17 mm

Number of Friction Shoes

17

Friction Shoe Width (W)

8.75 in
222 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)