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DBB Brakes

 
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Model DBB brakes are spring applied, pressure released, disc style brakes. They develop equal torque in either direction of rotation. Their torque and thermal capacities allow them to be used in the most demanding applications.

Brake construction and operation is shown in the figure. Pressurizing the brake compresses the brake springs and withdraws the clamping plates from the brake discs. Standard brakes are furnished with either one or two discs, which are free to move axially.

Model DBB uses a conventional piston design to release the brake discs.

The rotating component of the DBB style brake is a very low inertia friction disc core with riveted on friction discs. The low inertia of the rotating components coupled with the high heat sink capacity of the stationary members allow these units to provide superior performance in high cyclic applications. In applications requiring higher speed operation or where precise balance of the rotating components is required, the DBBS style is offered, which utilizes a solid rotor and stationary friction material. Similar to the DBAS design, the DBBS should only be used for applications where brake engagement is non-cyclic.

Torque ratings listed are for brakes with a standard compliment of springs. The quantity of springs can be varied to customize the torque of the brake to suit a particular application. Consult the factory for brake torque of units with non-standard spring configurations.

Brake sizes are indicated by the number of brake discs and the disc diameter in inches. For instance, size 225DBB has two discs 25 inches in diameter.



   
  Results 26 - 33 of 33 Unit of Measure: Imperial Metric Both 1 2 

Item #

Gear Part Number

Dynamic Torque Rating

Manufacturer

Actuation
146328 416068 630000 lb·in
71.127 Nm 		Eaton-Airflex Spring Applied, Air Release
146329 416069 1200000 lb·in
135.480 Nm 		Eaton-Airflex Spring Applied, Air Release
146384 416414 1730000 lb·in
195.325 Nm 		Eaton-Airflex Spring Applied, Air Release
146385 416461 2200000 lb·in
248.391 Nm 		Eaton-Airflex Spring Applied, Air Release
146524 417277 1798000 lb·in
203164 Nm 		Eaton-Airflex Spring Applied, Air Release
146525 417278 3284000 lb·in
371073 Nm 		Eaton-Airflex Spring Applied, Air Release
146526 417279 4555000 lb·in
514689 Nm 		Eaton-Airflex Spring Applied, Air Release
146527 417280 5578000 lb·in
630282 Nm 		Eaton-Airflex Spring Applied, Air Release
  Results 26 - 33 of 33 1 2 
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