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DBA Brakes

 
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Model DBA 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 DBA uses a rubber diaphragm to form the releasing pressure chamber and to serve as the releasing piston. Brake friction material is attached to stationary components. Brake discs are either solid or ventilated. The disc type is indicated by an S for solid, or V, for ventilated, in the brake model designation. Solid discs are used in applications requiring a heat sink and/or where engagement is infrequent. Ventilated discs are recommended for cyclic applications.

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 nonstandard spring configurations.

Brake sizes are indicated by the number of brake discs and the disc diameter in inches. For instance, size 229DBA has two discs 29 inches in diameter.



   
  Results 1 - 13 of 13 Unit of Measure: Imperial Metric Both 1 

Item #

Dimension H13

Gear Part Number

Dynamic Torque Rating

Manufacturer

Actuation
146148 10.00 in
254 mm 		413113 20500 lb·in
2320 Nm 		Eaton-Airflex Spring Applied, Air Release
146152 10.00 in
254 mm 		413248 38000 lb·in
4290 Nm 		Eaton-Airflex Spring Applied, Air Release
146145 12.12 in
308 mm 		413534 52500 lb·in
5930 Nm 		Eaton-Airflex Spring Applied, Air Release
146151 12.12 in
308 mm 		413535 96000 lb·in
10800 Nm 		Eaton-Airflex Spring Applied, Air Release
146162 14.75 in
375 mm 		413683 113000 lb·in
12800 Nm 		Eaton-Airflex Spring Applied, Air Release
146163 14.75 in
375 mm 		413585 216000 lb·in
24400 Nm 		Eaton-Airflex Spring Applied, Air Release
146210 14.75 in
375 mm 		415080 339000 lb·in
38400 Nm 		Eaton-Airflex Spring Applied, Air Release
146148 10.00 in
254 mm 		413113 29300 lb·in
3310 Nm 		Eaton-Airflex Spring Applied, Air Release
146152 10.00 in
254 mm 		413248 52600 lb·in
5940 Nm 		Eaton-Airflex Spring Applied, Air Release
146145 12.12 in
308 mm 		413534 69800 lb·in
7890 Nm 		Eaton-Airflex Spring Applied, Air Release
146151 12.12 in
308 mm 		413536 129300 lb·in
14600 Nm 		Eaton-Airflex Spring Applied, Air Release
146162 14.75 in
375 mm 		413801 176700 lb·in
20000 Nm 		Eaton-Airflex Spring Applied, Air Release
146163 14.75 in
375 mm 		414126 336200 lb·in
38000 Nm 		Eaton-Airflex Spring Applied, Air Release
  Results 1 - 13 of 13 1 
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