GN 704 Quick Release Shaft Collars Aluminum


Product description


Unlike thrust bolts or clamping screws, GN 704 quick release shaft collars generate locking force on the shaft via an eccentric lever. This quick release design allows the collars to be set or adjusted rapidly and without tools. The aluminum design results in low mass inertia values.

The specified tightening torque of the screw is a recommended value with which the collar clamped to a shaft (with closed eccentric lever) is capable of reaching the specified axial load capacity. The details on the axial load capacity are non-binding guidance values and do not constitute a warranty of characteristics.

Keeping the friction surface of the eccentric lever slightly greased will help to prolong the useful service life.


Aluminum, black anodized finish

Eccentric lever
Aluminum, yellow anodized finish

RoHS compliant

Technical drawing

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GN 704 Aluminum Quick Release Shaft Collars sketch

Part Options / Table

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Dimensions in: Inch (change to Metric)
Recommended shaft tolerance -0.001
bsTightening torque
of the screw
in Nm ≈
Axial load ≈

1.50B 3/8B 1/2B 5/80.390.060.530.00 lbf (133.45 N)60.00 lbf (266.89 N)
1.97B 3/4B 1.00B 1 1/80.510.060.770.00 lbf (311.38 N)100.00 lbf (444.82 N)
2.95B 1 1/4B 1 3/8B 1 1/20.590.061.5105 lbf (467.06 N)120 lbf (533.79 N)
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Dimensions in: Inch | Metric
Recommended shaft tolerance -0.001
bsTightening torque
of the screw
in Nm ≈
Axial load ≈

1.50B 6B 8B 10B 12B 14B 15B 160.390.060.529.90 lbf (133 N)60.02 lbf (267 N)
1.97B 20B 25B 28B 30---0.510.060.769.92 lbf (311 N)100 lbf (445 N)
2.95B 32B 35B 38----0.590.061.5105 lbf (467 N)120 lbf (534 N)
3.94B 40B 42B 45B 48B 50--0.750.184.5125 lbf (556 N)195 lbf (867 N)
4.72B 54B 55B 60B 65B 70B 75-0.750.184.5200 lbf (890 N)310 lbf (1379 N)

Build & Price

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Outer diameter d1
Bore d2



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≥ 500$17.80
Prop 65: -
Please contact our Sales Department for more information: 800-877-8351
RoHS: -
This part is new in our product range, no details are available at this time. For more recent details on the RoHS compatibility, please contact our Sales Department!
Weight: 0.060 lbs
If weight is not listed, please contact our Sales Department for additional information regarding weight.
Phone: 800-877-8351
All Prices are in US Dollars. Taxes Not Included.

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