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407055

CB Mounting Components - Internal Flange Drums

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.

Specifications

Size

20CB500

Type

Thru Holes

Dimension D31

1.00 in
25 mm

Dimension H1

20 in
508 mm

Dimension H9

16.000 in
406.4 mm

Dimension H10

14.625 in
371.5 mm

Number of L Bolt Holes

8

Number of L Bolt Holes

0.781 in
20 mm

Dimension D6

6.62 in
168 mm

Weight

72 lb
33 kg

Inertia >> lb·ft² [Imperial]
Inertia >> kg·m² [Metric]

43 lb·ft²
1.81 kg·m²

Manufacturer

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)