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Section B
Form CB-429
The type CB element assembly is designed and built to provide dependable clutch or brake service in the most exacting industrial applications. It is suited to high speed, cyclic operations, as well as for coupling and general power transmission.
Unit of Measure

Specifications

Size1 N/A 12CB350

Spider

 N/A 408374

Drum

 N/A 411860

Hub

 N/A 406902

Weight

 N/A 187 lb85 kg

Weight Mass (Element Each)

N/A 30 lb14 kg

Wk2 J (Element Each)

 N/A 12 lb·ft²0.5 kg·m²

Weight Mass (Spider)

 N/A 46 lb21 kg

Wk2 J (Spider)

 N/A 8.1 lb·ft²0.34 kg·m²

Weight Mass (Drum)

 N/A 61 lb28 kg

Wk2 J (Drum)

 N/A 13 lb·ft²0.55 kg·m²

Weight Mass (Hub)

 N/A 22 lb10 kg

Wk2 J (Hub)

 N/A 0.8 lb·ft²0.03 kg·m²

Torque Rating (75 psi/5.5 bar)

 N/A 13300 lb·in1500 Nm

Rotorseal Size

 N/A B2

Minimum Bore Size

 N/A 1.50 in38 mm

Maximum Bore Size

 N/A 2.63 in67 mm

Dimension D

 N/A 451 mm17.75 in

Dimension D1

 N/A 4.00 in102 mm

Dimension D7

 N/A 83 mm3.25 in

Dimension D24

 N/A 2.00 in51 mm

Dimension D37

 N/A 3.20 in81 mm

Dimension D38

 N/A 5.80 in147 mm

Dimension D45

 N/A 2.812 in71.4 mm

Dimension H2

 N/A 18.00 in457 mm

Dimension X

 N/A 10.50 in267 mm

Manufacturer

 N/A Eaton-Airflex

Actuation

 N/A Air Applied

Note

N/A Part number shown for element with one air inlet.

Element sizes 12 and 14 have two inlets. All other sizes have four air inlets.

American National Standard for Unified Screw Threads. Bolts and lockwashers furnished with clutch.

Dynamic torque shown, static torque approximately 25% greater. Torque in each application is dependent upon air pressure and speed.

  • 1 Based upon minimum bores.