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142098JA

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

12CB350

Spider

408374

Drum

411860

Hub

406902

Weight

187 lb
85 kg

Weight Mass (Element Each)

30 lb
14 kg

Wk2 J (Element Each)

12 lb·ft²
0.5 kg·m²

Weight Mass (Spider)

46 lb
21 kg

Wk2 J (Spider)

8.1 lb·ft²
0.34 kg·m²

Weight Mass (Drum) >> lb [Imperial]

61 lb
28 kg

Wk2 J (Drum)

13 lb·ft²
0.55 kg·m²

Weight Mass (Hub)

22 lb
28 kg

Wk2 J (Hub) >> lb·ft² [Imperial]

0.8 lb·ft²
0.03 kg·m²

Torque Rating (75 psi/5.5 bar)

13300 lb·in
1500 Nm

Rotorseal Size

B2

Minimum Bore Size

1.50 in
38mm

Maximum Bore Size

2.63 in
67 mm

Dimension D

17.75 in
451 mm

Dimension D1

4.00 in
102 mm

Dimension D7

3.25 in
83 mm

Dimension D24

2.00 in
51 mm

Dimension D37

3.20 in
81 mm

Dimension D38

5.80 in
147 mm

Dimension D45

2.812 in
71.4 mm

Dimension H2

18.00 in
457 mm

Dimension M

N/A

Dimension O

N/A

Dimension X

in
10.50 mm

Manufacturer

Eaton-Airflex

Actuation

Air Applied

Notes

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.