The Rowland Company
The Rowland Company
4900 North 20th St.
Philadelphia, PA 19144
Toll Free: (800) 925-8824
Phone: (215) 455-4900
Fax: (215) 455-8888
Email: rowland@rowland2.com
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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

 12CB3500

Type

 Tapped Holes

Dimension D31

 0.75 in19 mm
Dimension H11 12 in305 mm

Dimension H9

 7.250 in184.2 mm
Dimension H102 6.250 in158.8 mm

Number of L Bolt Holes

 1/2-13

Dimension D6

 4.68 in119 mm

Weight

 30 lb14 kg

Inertia

 5.9 lb·ft²0.25 kg·m²

Manufacturer

 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)