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Section B
Form PCB-203
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

Size

 N/A 12CB350

Torque Rating (75 psi/5.5 bar)

 N/A 13300 lb·in1500 Nm
Available for Shaft Diameter1 N/A 1.750 thru 2.500 in1.750 thru 2.500 mm

Dimension D

 N/A 13.69 in348 mm

Dimension D1

 N/A 3.44 in87 mm

Dimension D2

 N/A 9.19 in233 mm

Dimension D30

 N/A 3.50 in89 mm

Dimension D33

 N/A 0.73 in19 mm

Dimension D37

 N/A 8.28 in210 mm

Dimension D47

 N/A 2.88 in73 mm

Dimension H

 N/A 17.63 in448 mm
Dimension J2 N/A 4.752 in120.7 mm

Dimension M

 N/A 1.38 in35 mm

Weight

 N/A 120 lb54 kg
Wk2 Element & Spider J3 N/A 22 lb·ft²0.92

Drum

 N/A 4.9 0.21 kg·m²

Shaft Diameter

 N/A 1.6252.375 in

Maximum Speed

 N/A 1000 rpm1500 rpm

Manufacturer

 N/A Eaton-Airflex

Actuation

 N/A Air Applied

Note

N/A Refers to basic part number only and does not include the rotorseal and hose. When ordering, specify shaft diameter.
Refer to Rotorseal Section for mounting and dimension information.
Part numbers for shaft diameters:
1.250 thru 1.500 in - 70x135
All other diameters - 70x45

  • 1 Available only for inch series shafting in 0.125 increments. Use standard square keys.
  • 2 Tolerance +/-0.0005 in (+/-0.01 mm)
  • 3 Based upon minimum bores.