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Specifications

Size

30CB525

Torque Rating (75 psi/5.5 bar)1

121000 lb·in
13700 Nm

Maximum Speed2

950 rpm

Centrifugal Loss Constant Cs

40 E-06 psi/rpm2
2.76 E-06 bar/rpm2

Inertia

303 lb·ft²
12.73 kg·m²

Weight

148 lb
67 kg

Friction Area

458 in²
2954 cm²

New Friction Lining Thickness

0.33 in
8 mm

Worn Friction Lining Thickness

0.06 in
2 mm

Air Tube Cavity3

290 in³
4.76 dm³

Minimum Drum Diameter

4.76 in
4.76 mm

Dimension D2

6.94 in
176 mm

Dimension D24

2.50 in
64 mm

Dimension D25

0.25 in
6 mm

Dimension G4

38.000 in
965.2 mm

Dimension G1

35.00 in
889 mm

Dimension H2

36.750 in
933.5 mm

Dimension H6

30.19 in
767 mm

Dimension H7

36.50 in
927 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)

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)