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Section B
Form CB 420
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.
CB Mounting Components - Internal Flange Drums
Unit of Measure
Items CB Mounting Components - Internal Flange Drums
407043
Single Drum
CB Mounting Components - Internal Flange Drums
407045
Single Drum
CB Mounting Components - Internal Flange Drums
407047
Single Drum
CB Mounting Components - Internal Flange Drums
407049
Single Drum
CB Mounting Components - Internal Flange Drums
407051
Single Drum
Size N/A 6CB200 N/A 8CB250 N/A 10CB300 N/A 12CB3500 N/A 14CB4000
Type N/A Thru Holes
Dimension D31 N/A 0.50 in13 mm N/A 0.75 in19 mm N/A 0.75 in19 mm N/A 0.75 in19 mm N/A 0.75 in19 mm
Dimension H11 N/A 6 in152 mm N/A 8 in203 mm N/A 10 in254 mm N/A 12 in305 mm N/A 14 in356 mm
Dimension H9 N/A 4.250 in108 mm N/A 5.250 in133.4 mm N/A 7.250 in184.2 mm N/A 7.250 in184.2 mm N/A 9.250 in235 mm
Dimension H102 N/A 3.500 in88.9 mm N/A 4.250 in108 mm N/A 6.250 in158.8 mm N/A 6.250 in158.8 mm N/A 8.250 in209.6 mm
Number of L Bolt Holes N/A 6 0.406 in10 mm N/A 8 0.406 in10 mm N/A 6 0.531 in13 mm N/A 6 0.531 in13 mm N/A 6 0.531 in13 mm
Dimension D6 N/A 3.00 in76 mm N/A 3.50 in89 mm N/A 4.06 in103 mm N/A 4.68 in119 mm N/A 5.18 in132 mm
Weight N/A 5.5 lb2.5 kg N/A 12.5 lb5.7 kg N/A 19 lb8.6 kg N/A 30 lb14 kg N/A 38 lb17 kg
Inertia N/A 0.3 lb·ft²0.01 kg·m² N/A 1.1 lb·ft²0.05 kg·m² N/A 2.7 lb·ft²0.11 kg·m² N/A 5.9 lb·ft²0.25 kg·m² N/A 10.5 lb·ft²0.44 kg·m²
Note N/A
Manufacturer N/A Eaton-Airflex
  • 1 Tolerance +0.000/-0.010 in (+0.00/-0.25 mm).
  • 2 Tolerance for sizes:
    6 thru 40 +0.003/-0.000 in (+0.08/-0.00 mm)
    45 +0.005/-0.000 in (+0.13/-0.00 mm)