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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.
Unit of Measure

Specifications

Size

 N/A 20CB500

Type

 N/A Tapped 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 3/4-10

Dimension D6

 N/A 6.62 in168 mm

Weight

 N/A 72 lb33 kg

Inertia

 N/A 43 lb·ft²1.81 kg·m²

Manufacturer

 N/A Eaton-Airflex

Note

N/A American National Standard for Unified Screw Threads.

  • 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)