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142438

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

28CB525

Torque Rating (75 psi/5.5 bar)1

212000 lb·in
24000 Nm

Maximum Speed2

1000 rpm

Centrifugal Loss Constant Cs

37 E-06 psi/rpm2
2.55 E-06 bar/rpm2

Inertia

517 lb·ft²
21.71 kg·m²

Weight

286 lb
130 kg

Friction Area

860 in²
5547 cm²

New Friction Lining Thickness

0.33 in
8 mm

Worn Friction Lining Thickness

0.06 in
2 mm

Air Tube Cavity3

560 in³
9.18 dm³

Minimum Drum Diameter

27.81 in
706 mm

Dimension D2

14.44 in
367 mm

Dimension D24

N/A

Dimension D25

0.25 in
6 mm

Dimension G4

36.000 in
914.4 mm

Dimension G1

N/A

Dimension H2

34.750 in
882.7 mm

Dimension H6

28.19 in
716 mm

Dimension H7

34.50 in
876 mm

Number of Mounting Holes

16

Bolt Hole Size L

0.625 in
16 mm

Dimension O3

0.50 in
13 mm

Air Inlet Thread

1/2-14

Angle Q

11.250 º

Dimension V

0.84 in
21 mm

Number of Friction Shoes

21

Friction Shoe Width (W)

12.69 in
322 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)