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Item # 142265, Single Flange CB Elements


Section B
Form CB-402



Unit of Measure: Imperial Metric Both

Specifications  · Note

Specifications

Size
20CB500

Torque Rating (75 psi/5.5 bar)1
53600 lb·in
6060 Nm

Maximum Speed2
1300 rpm

Centrifugal Loss Constant Cs
1.73 E-06 bar/rpm2
25 E-06 psi/rpm2

Inertia
90 lb·ft²
3.78 kg·m²

Weight
88 lb
40 kg

Friction Area
288 in²
1858 cm²

New Friction Lining Thickness
0.26 in
7 mm

Worn Friction Lining Thickness
0.06 in
2 mm

Air Tube Cavity3
170 in³
2.79 dm³

Minimum Drum Diameter
19.87 in
505 mm

Dimension D2
6.63 in
168 mm

Dimension D24
2.50 in
64 mm

Dimension D25
0.19 in
5 mm

Dimension G4
27.500 in
698.5 mm

Dimension G1
24.75 in
629 mm

Dimension H2
26.375 in
669.9 mm

Dimension H6
20.19 in
513 mm

Dimension H7
26.38 in
670 mm

Number of Mounting Holes
12

Bolt Hole Size L
0.500 in
13 mm

Dimension O3
0.38 in
10 mm

Air Inlet Thread
3/8-18

Angle Q
15.000 º

Dimension V
0.81 in
21 mm

Number of Friction Shoes
12

Friction Shoe Width (W)
5.00 in
127 mm
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)


Note
Refers to basic part number only. When ordering, the number of air inlets and type of connection must be specified.


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