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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 20CB500

Spider

 N/A 408278

Drum

 N/A 411864

Hub

 N/A 406910

Weight

 N/A 599 lb271 kg

Weight Mass (Element Each)

N/A 88 lb40 kg

Wk2 J (Element Each)

 N/A 90 lb·ft²3.78 kg·m²

Weight Mass (Spider)

 N/A 183 lb83 kg

Wk2 J (Spider)

 N/A 91 lb·ft²3.82 kg·m²

Weight Mass (Drum)

 N/A 139 lb63 kg

Wk2 J (Drum)

 N/A 87 lb·ft²3.65 kg·m²

Weight Mass (Hub)

 N/A 97 lb44 kg

Wk2 J (Hub)

 N/A 16 lb·ft²0.67 kg·m²

Torque Rating (75 psi/5.5 bar)

 N/A 53600 lb·in6060 Nm

Rotorseal Size

 N/A C2

Minimum Bore Size

 N/A 2.50 in64 mm

Maximum Bore Size

 N/A 3.81 in97 mm

Dimension D

 N/A 641 mm25.25 in

Dimension D1

 N/A 5.50 in140 mm

Dimension D7

 N/A 146 mm5.75 in

Dimension D24

 N/A 2.50 in64 mm

Dimension D37

 N/A 5.30 in135 mm

Dimension D38

 N/A 8.10 in206 mm

Dimension D45

 N/A 5.187 in131.7 mm

Dimension H2

 N/A 28.00 in711 mm

Dimension M

 N/A 1.44 in37 mm

Dimension O

 N/A 3/8-18 in

Dimension X

 N/A 14.00 in356 mm

Manufacturer

 N/A Eaton-Airflex

Actuation

 N/A Air Applied

Note

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

  • 1 Based upon minimum bores.