Dalton Gear Company
Dalton Gear Company
Address: 212 Colfax Ave. N
Minneapolis, MN 55405
Toll-Free: 800-328-7485
Phone: 612-374-2150
Fax: 612-374-2467
E-mail: timw@daltongear.com
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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.
Dalton Model "ROSDC" Rigid Overload Safety Device Coupling
Dalton Model "ROSDC" Rigid Overload Safety Device Coupling - Dimensional Drawing
Unit of Measure
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Item #

Maximum Torque

B - OSD Half

C - Coupling Half

D - Overall Length Thru Bore

List Price

ROSDC-493D-1x1 3/4 N/A 360 lbs50 mkp N/A 1 Inch25 mm N/A 1 3/4 Inch44 mm N/A 4 3/8 Inch111 mm $604.00
ROSDC-493D-1 1/8x3/4 N/A 360 lbs50 mkp N/A 1 1/8 Inch28 mm N/A 3/4 Inch19.1 mm N/A 4 3/8 Inch111 mm $604.00
ROSDC-493D-1 1/8x1 N/A 360 lbs50 mkp N/A 1 1/8 Inch28 mm N/A 1 Inch25 mm N/A 4 3/8 Inch111 mm $604.00
ROSDC-493D-1 1/8x1 1/4 N/A 360 lbs50 mkp N/A 1 1/8 Inch28 mm N/A 1 1/4 Inch31.8 mm N/A 4 3/8 Inch111 mm $604.00
ROSDC-493D-1 1/8x1 1/2 N/A 360 lbs50 mkp N/A 1 1/8 Inch28 mm N/A 1 1/2 Inch38.1 mm N/A 4 3/8 Inch111 mm $604.00
ROSDC-493D-1 1/8x1 3/4 N/A 360 lbs50 mkp N/A 1 1/8 Inch28 mm N/A 1 3/4 Inch44 mm N/A 4 3/8 Inch111 mm $604.00
ROSDC-493D-1 1/4x3/4 N/A 360 lbs50 mkp N/A 1 1/4 Inch31.8 mm N/A 3/4 Inch19.1 mm N/A 4 3/8 Inch111 mm $604.00
ROSDC-493D-1 1/4x1 N/A 360 lbs50 mkp N/A 1 1/4 Inch31.8 mm N/A 1 Inch25 mm N/A 4 3/8 Inch111 mm $604.00
ROSDC-493D-1 1/4x1 1/4 N/A 360 lbs50 mkp N/A 1 1/4 Inch31.8 mm N/A 1 1/4 Inch31.8 mm N/A 4 3/8 Inch111 mm $604.00
ROSDC-493D-1 1/4x1 1/2 N/A 360 lbs50 mkp N/A 1 1/4 Inch31.8 mm N/A 1 1/2 Inch38.1 mm N/A 4 3/8 Inch111 mm $604.00
ROSDC-493D-1 1/4x1 3/4 N/A 360 lbs50 mkp N/A 1 1/4 Inch31.8 mm N/A 1 3/4 Inch44 mm N/A 4 3/8 Inch111 mm $604.00
ROSDC-493D-1 3/8x3/4 N/A 360 lbs50 mkp N/A 1 3/8 Inch35 mm N/A 3/4 Inch19.1 mm N/A 4 3/8 Inch111 mm $604.00
ROSDC-493D-1 3/8x1 N/A 360 lbs50 mkp N/A 1 3/8 Inch35 mm N/A 1 Inch25 mm N/A 4 3/8 Inch111 mm $604.00
ROSDC-493D-1 3/8x1 1/4 N/A 360 lbs50 mkp N/A 1 3/8 Inch35 mm N/A 1 1/4 Inch31.8 mm N/A 4 3/8 Inch111 mm $604.00
ROSDC-493D-1 3/8x1 1/2 N/A 360 lbs50 mkp N/A 1 3/8 Inch35 mm N/A 1 1/2 Inch38.1 mm N/A 4 3/8 Inch111 mm $604.00
ROSDC-493D-1 3/8x1 3/4 N/A 360 lbs50 mkp N/A 1 3/8 Inch35 mm N/A 1 3/4 Inch44 mm N/A 4 3/8 Inch111 mm $604.00
ROSDC-493D-1 1/2x3/4 N/A 360 lbs50 mkp N/A 1 1/2 Inch38.1 mm N/A 3/4 Inch19.1 mm N/A 4 3/8 Inch111 mm $604.00
ROSDC-493D-1 1/2x1 N/A 360 lbs50 mkp N/A 1 1/2 Inch38.1 mm N/A 1 Inch25 mm N/A 4 3/8 Inch111 mm $604.00
ROSDC-493D-1 1/2x1 1/4 N/A 360 lbs50 mkp N/A 1 1/2 Inch38.1 mm N/A 1 1/4 Inch31.8 mm N/A 4 3/8 Inch111 mm $604.00
ROSDC-493D-1 1/2x1 1/2 N/A 360 lbs50 mkp N/A 1 1/2 Inch38.1 mm N/A 1 1/2 Inch38.1 mm N/A 4 3/8 Inch111 mm $604.00
ROSDC-493D-1 1/2x1 3/4 N/A 360 lbs50 mkp N/A 1 1/2 Inch38.1 mm N/A 1 3/4 Inch44 mm N/A 4 3/8 Inch111 mm $604.00
ROSDC-493D-1 5/8x3/4 N/A 360 lbs50 mkp N/A 1 5/8 Inch42 mm N/A 3/4 Inch19.1 mm N/A 4 3/8 Inch111 mm $604.00
ROSDC-493D-1 5/8x1 N/A 360 lbs50 mkp N/A 1 5/8 Inch42 mm N/A 1 Inch25 mm N/A 4 3/8 Inch111 mm $604.00
ROSDC-493D-1 5/8x1 1/4 N/A 360 lbs50 mkp N/A 1 5/8 Inch42 mm N/A 1 1/4 Inch31.8 mm N/A 4 3/8 Inch111 mm $604.00
ROSDC-493D-1 5/8x1 1/2 N/A 360 lbs50 mkp N/A 1 5/8 Inch42 mm N/A 1 1/2 Inch38.1 mm N/A 4 3/8 Inch111 mm $604.00
Unit of Measure
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