Item # 142439, Dual Flange CB Elements (Sizes 12 to 45) On The Rowland Company

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	Item # 142439, Dual Flange CB Elements (Sizes 12 to 45)

Dual Flange CB Elements (Sizes 12 to 45)

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Two dual flanged elements can be bolted together to form a dual element having twice the torque capacity of a single element. Dual elements can be furnished in sizes 12CB350 through 45CB525.

Unit of Measure: Imperial Metric Both

Specifications · Note

Specifications

Size

30CB525

Torque Rating (75 psi/5.5 bar)¹

242000 lb·in
27300 Nm

Maximum Speed²

950 rpm

Centrifugal Loss Constant C_s

2.76 E-06 bar/rpm²
40 E-06 psi/rpm²

Inertia

621 lb·ft²
26.08 kg·m²

Weight

302 lb
137 kg

Friction Area

916 in²
5908 cm²

New Friction Lining Thickness

0.33 in
8 mm

Worn Friction Lining Thickness

0.06 in
2 mm

Air Tube Cavity³

580 in³
9.51 dm³

Minimum Drum Diameter

29.81 in
757 mm

Dimension D₂

14.44 in
367 mm

Dimension D₂₅

0.25 in
6 mm

Dimension G⁴

38.000 in
965.2 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

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

Friction Shoe Width (W)

12.69 in
322 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:
12 thru 24, 28 and 32
+0.000/-0.005 in (+0.00/-0.13 mm)
26 and 30
+0.000/-0.008 in (+0.00/-0.20 mm)
36 thru 45
+0.000/-0.010 in (+0.00/-0.25 mm)

Note

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

Item # 142439, Dual Flange CB Elements (Sizes 12 to 45)

Size

Torque Rating (75 psi/5.5 bar)1

Maximum Speed2

Centrifugal Loss Constant Cs