Products Catalog
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.
Unit of Measure



N/A 20CB500


N/A Thru Holes

Dimension D31

N/A 1.00 in25 mm
Dimension H11 N/A 20 in508 mm

Dimension H9

N/A 16.000 in406.4 mm
Dimension H102 N/A 14.625 in371.5 mm

Number of L Bolt Holes

N/A 8 0.781 in20 mm

Dimension D6

N/A 6.62 in168 mm


N/A 72 lb33 kg


N/A 43 lb·ft²1.81 kg·m²


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)