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142265KP

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.

Specifications

Size

20CB500

Spider

408278

Drum

411864

Hub

406910

Weight

599 lb
271 kg

Weight Mass (Element Each)

88 lb
40 kg

Wk2 J (Element Each)

90 lb·ft²
3.78 kg·m²

Weight Mass (Spider)

183 lb
83 kg

Wk2 J (Spider)

91 lb·ft²
3.82 kg·m²

Weight Mass (Drum) >> lb [Imperial]

139 lb
63 kg

Wk2 J (Drum)

87 lb·ft²
3.65 kg·m²

Weight Mass (Hub)

97 lb
63 kg

Wk2 J (Hub) >> lb·ft² [Imperial]

16 lb·ft²
0.67 kg·m²

Torque Rating (75 psi/5.5 bar)

53600 lb·in
6060 Nm

Rotorseal Size

C2

Minimum Bore Size

2.50 in
64mm

Maximum Bore Size

3.81 in
97 mm

Dimension D

25.25 in
641 mm

Dimension D1

5.50 in
140 mm

Dimension D7

5.75 in
146 mm

Dimension D24

2.50 in
64 mm

Dimension D37

5.30 in
135 mm

Dimension D38

8.10 in
206 mm

Dimension D45

5.187 in
131.7 mm

Dimension H2

28.00 in
711 mm

Dimension M

1.44 in
37 mm

Dimension O

3/8-18 in

Dimension X

3/8-18 in
14.00 mm

Manufacturer

Eaton-Airflex

Actuation

Air Applied

Notes

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

1 Based upon minimum bores.