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Size
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40CB525
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Torque Rating (75 psi/5.5 bar)1
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211000 lb·in
23800 Nm
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Maximum Speed2
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750 rpm
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Centrifugal Loss Constant Cs
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3.59 E-06 bar/rpm2
52 E-06 psi/rpm2
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Inertia
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730 lb·ft²
30.66 kg·m²
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Weight
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201 lb
91 kg
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Friction Area
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610 in²
3935 cm²
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New Friction Lining Thickness
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0.33 in
8 mm
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Worn Friction Lining Thickness
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0.06 in
2 mm
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Air Tube Cavity3
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380 in³
6.23 dm³
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Minimum Drum Diameter
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39.81 in
1011 mm
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Dimension D2
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6.94 in
176 mm
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Dimension D24
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2.75 in
70 mm
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Dimension D25
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0.28 in
7 mm
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Dimension G4
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48.625 in
1235.1 mm
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Dimension G1
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45.56 in
1157 mm
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Dimension H2
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47.125 in
1197 mm
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Dimension H6
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40.19 in
1021 mm
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Dimension H7
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47.25 in
1200 mm
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Number of Mounting Holes
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20
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Bolt Hole Size L
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0.750 in
19 mm
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Dimension O3
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0.63 in
16 mm
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Air Inlet Thread
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3/4-14
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Angle Q
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9.000 º
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Dimension V
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0.84 in
21 mm
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Number of Friction Shoes
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24
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Friction Shoe Width (W)
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5.25 in
133 mm
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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)
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