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142273

Single Flange CB Elements

Section B
Form CB-402

Specifications

Size

40CB525

Torque Rating (75 psi/5.5 bar)1

211000 lb·in
23800 Nm

Maximum Speed2

750 rpm

Centrifugal Loss Constant Cs

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

Inertia

730 lb·ft²
30.66 kg·m²

Weight

201 lb
91 kg

Friction Area

610 in²
3935 cm²

New Friction Lining Thickness

0.33 in
8 mm

Worn Friction Lining Thickness

0.06 in
2 mm

Air Tube Cavity3

380 in³
6.23 dm³

Minimum Drum Diameter

39.81 in
1011 mm

Dimension D2

6.94 in
176 mm

Dimension D24

2.75 in
70 mm

Dimension D25

0.28 in
7 mm

Dimension G4

48.625 in
1235.1 mm

Dimension G1

45.56 in
1157 mm

Dimension H2

47.125 in
1197 mm

Dimension H6

40.19 in
1021 mm

Dimension H7

47.25 in
1200 mm

Number of Mounting Holes

20

Bolt Hole Size L

0.750 in
19 mm

Dimension O3

0.63 in
16 mm

Air Inlet Thread

3/4-14

Angle Q

9.000 º

Dimension V

0.84 in
21 mm

Number of Friction Shoes

24

Friction Shoe Width (W)

5.25 in
133 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:
3 thru 5
+0.000/-0.003 in (+0.00/-0.08 mm)
6 and larger
+0.000/-0.005 in (+0.00/-0.13 mm)