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Specifications

Size

12CB350

Torque Rating (75 psi/5.5 bar)1

13300 lb·in
1500 Nm

Maximum Speed2

1800 rpm

Centrifugal Loss Constant Cs

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

Inertia

11.0 lb·ft²
0.46 kg·m²

Weight

26 lb
12 kg

Friction Area

128 in²
825.6 cm²

New Friction Lining Thickness

0.20 in
5 mm

Worn Friction Lining Thickness

0.06 in
2 mm

Air Tube Cavity3

80 in³
1.31 dm³

Minimum Drum Diameter

1.31 in
1.31 mm

Dimension D2

4.72 in
120 mm

Dimension D24

2.00 in
51 mm

Dimension D25

0.19 in
5 mm

Dimension G4

17.625 in
447.7 mm

Dimension G1

15.88 in
403 mm

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

0.38 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)

3.50 in
89 mm

Manufacturer

Airflex

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)