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  • Dalton Model "ROSDC" Rigid Overload Safety Device Coupling
  • Dalton Model "ROSDC" Rigid Overload Safety Device Coupling - Dimensional Drawing
The Dalton ROSDC (Rigid Overload Safety Device Coupling) provides overload protection through the use of an OSD unit combined with a rigid coupling half counterbored to fit the OSD flange. All steel rigid coupling half is bolted to a basic OSD unit to form a rigid coupling with the overload feature.

The ROSDC can be set with a torque wrench for maximum load desired. The unit funcitons as a rigid coupling until an overload occurs, causing the ROSDC to disengage. The device is automatically reengaged when the overload is eliminated.

FORMULA FOR TORQUE-HORSEPOWER (Foot Pounds)

TORQUE (Foot. Pounds) = (HPx5252)/RPM
HORSEPOWER = (Torque x RPM)/5252

Important Note:
The "ROSDC" overload safety device can be made to suit your application. Send us your blueprints or specifications, for recommendations by our engineering department.
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Item #

Maximum Torque

B - OSD Half

C - Coupling Half

D - Overall Length Thru Bore

List Price

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N/A 550 lbs76 mkp N/A 1 15/16 Inch49 mm N/A 1 1/2 Inch38.1 mm N/A 5 1/2 Inch140 mm $1,184.00
N/A 550 lbs76 mkp N/A 1 15/16 Inch49 mm N/A 1 3/4 Inch44 mm N/A 5 1/2 Inch140 mm $1,184.00
N/A 550 lbs76 mkp N/A 1 15/16 Inch49 mm N/A 2 Inch50.8 mm N/A 5 1/2 Inch140 mm $1,184.00
N/A 550 lbs76 mkp N/A 1 15/16 Inch49 mm N/A 2 1/4 Inch57 mm N/A 5 1/2 Inch140 mm $1,184.00
N/A 550 lbs76 mkp N/A 2 Inch50.8 mm N/A 1 Inch25 mm N/A 5 1/2 Inch140 mm $1,184.00
N/A 550 lbs76 mkp N/A 2 Inch50.8 mm N/A 1 1/4 Inch31.8 mm N/A 5 1/2 Inch140 mm $1,184.00
N/A 550 lbs76 mkp N/A 2 Inch50.8 mm N/A 1 1/2 Inch38.1 mm N/A 5 1/2 Inch140 mm $1,184.00
N/A 550 lbs76 mkp N/A 2 Inch50.8 mm N/A 1 3/4 Inch44 mm N/A 5 1/2 Inch140 mm $1,184.00
N/A 550 lbs76 mkp N/A 2 Inch50.8 mm N/A 2 Inch50.8 mm N/A 5 1/2 Inch140 mm $1,184.00
N/A 550 lbs76 mkp N/A 2 Inch50.8 mm N/A 2 1/4 Inch57 mm N/A 5 1/2 Inch140 mm $1,184.00
N/A 440 lbs61 mkp N/A 1 Inch25 mm N/A 1 Inch25 mm N/A 4 3/4 Inch120 mm $746.00
N/A 440 lbs61 mkp N/A 1 Inch25 mm N/A 1 1/4 Inch31.8 mm N/A 4 3/4 Inch120 mm $746.00
N/A 440 lbs61 mkp N/A 1 Inch25 mm N/A 1 3/8 Inch35 mm N/A 4 3/4 Inch120 mm $746.00
N/A 440 lbs61 mkp N/A 1 Inch25 mm N/A 1 1/2 Inch38.1 mm N/A 4 3/4 Inch120 mm $746.00
N/A 440 lbs61 mkp N/A 1 1/4 Inch31.8 mm N/A 1 Inch25 mm N/A 4 3/4 Inch120 mm $746.00
N/A 440 lbs61 mkp N/A 1 1/4 Inch31.8 mm N/A 1 1/4 Inch31.8 mm N/A 4 3/4 Inch120 mm $746.00
N/A 440 lbs61 mkp N/A 1 1/4 Inch31.8 mm N/A 1 3/8 Inch35 mm N/A 4 3/4 Inch120 mm $746.00
N/A 440 lbs61 mkp N/A 1 1/4 Inch31.8 mm N/A 1 1/2 Inch38.1 mm N/A 4 3/4 Inch120 mm $746.00
N/A 440 lbs61 mkp N/A 1 3/8 Inch35 mm N/A 1 Inch25 mm N/A 4 3/4 Inch120 mm $746.00
N/A 440 lbs61 mkp N/A 1 3/8 Inch35 mm N/A 1 1/4 Inch31.8 mm N/A 4 3/4 Inch120 mm $746.00
N/A 440 lbs61 mkp N/A 1 3/8 Inch35 mm N/A 1 3/8 Inch35 mm N/A 4 3/4 Inch120 mm $746.00
N/A 440 lbs61 mkp N/A 1 3/8 Inch35 mm N/A 1 1/2 Inch38.1 mm N/A 4 3/4 Inch120 mm $746.00
N/A 440 lbs61 mkp N/A 1 7/16 Inch36.5 mm N/A 1 Inch25 mm N/A 4 3/4 Inch120 mm $746.00
N/A 440 lbs61 mkp N/A 1 7/16 Inch36.5 mm N/A 1 1/4 Inch31.8 mm N/A 4 3/4 Inch120 mm $746.00
N/A 440 lbs61 mkp N/A 1 7/16 Inch36.5 mm N/A 1 3/8 Inch35 mm N/A 4 3/4 Inch120 mm $746.00
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