Shaft Clutches

Overrunning Clutch

Overrunning Clutch freewheel clutches

Overrunning clutches or the freewheel clutch can be easily applied to your new or existing over-running clutch application.

Typically used in the automotive industry, the overrunning clutch is used when the driven shaft rotates faster than the drive shaft, disengaging the driveshaft from a driven shaft.

The solid carbon steel design allows these industrial clutches to compete with the heaviest torque clutches on the market. The roller ramp design allows these freewheeling clutches to spin up to 1,800 RPM's (see assembly rating chart), with no thermal breakdown.  Our overrunning clutch is manufactured in standard bore sizes ranging from 1/4" to  2-3/4".

We provide our overruning clutch and freewheel clutch with and without seals.  Seals for these clutches are an extra charge.

Download Product Details

Overrunning Clutch Type OR Overrunning Clutch Type ORB
Ass'y No. A B C D E F G H I Standard Bores Rating
Torque Lbs./Ft. Speed RPM
OR 5 1-5/8 1-15/16 13/16 7/16 3/16 X 3/32 .875 .630 1-1/16 1/4 1/4, 3/8, 1/2 5 1800
OR 14 2 2-1/8 1 9/16 3/16 X 3/32 1.250 .630 1-3/16 5/16 3/8, 1/2, 5/8 14 1800
OR 28 2-5/8 2-23/32 1-5/16 15/16 3/16 X 3/32 1.375 .755 1-3/4 5/16 5/8, 3/4, 7/8 28 1500
OR 100 3-3/8 3-1/16 1-7/16 1 1/4 X 1/8 1.750 1.015 1-3/4 5/16 3/4, 7/8, 1 100 1000
ORB100 3-5/8 3-11/32 1-1/2 13/16 3/8 X 3/16 2-1/4 1.015 2 5/16 3/4, 7/8, 1, 1-1/8, 1-1/4 100 1000
ORB200 4-1/2 4-1/2 2-1/16 1-5/16 3/8 X 3/16 3 1.605 2-1/2 3/8 1-1/2, 1-3/4, 2 200 800
ORB500 6 5-5/32 2-1/2 2 1/2 X 1/4 4-1/2 1.770 3 3/8 2-1/4, 2-1/2, 2-3/4 500 600

 

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