Inch and Metric Size, Aluminum
Solid Disk Handwheels
With Safety Retractable Handle
GN 321.7
wo
GN 321.7


RoHS Compliant

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GN 321.7
Specification
Information
Handwheel body: Aluminum, gravity die-cast
Contact face of hub machined
Inner disk: Matte gray shot blasted satin finish
Handwheel rim: Turned and highly polished on all sides
Rim is concentric and square to bore
Safety revolving retractable handle: Black phenolic plastic with black oxide steel retracting mechanism, GN 598.7 series


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Shipping
Disk handwheels GN 321.7 with safety retractable handle GN 598.7 are distinguished by modern design and are suitable for applications where the handle must not remain in the operating position.
In order to bring the handle into the operating position, it has to be pulled out and up 90° to a stop against a torsion spring, and then it is pushed against spring pressure into its hold position. By maintaining the forward thrust on the handle, the handwheel can easily be rotated. When releasing the handle, the spring returns it back to the
retracted position.
Countersunk washers for handwheel retention, see GN 184.
Special larger than listed inch and metric bore sizes available upon request.
Modifications such as keyways, set screw holes, cross holes, etc. also available upon request.

See our technical section for sizes and
tolerances of various modifications.
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Inch Table

Dimensions in:

inches
(millimeters)

Part
Number
d1
d2
Through
Bore
d3
b
l1
l2
l3
l4
6.30
(160)
.500
1.42
(36)
0.71
(18)
0.79
(20)
1.54
(39)
1.02
(26)
3.25
(82.5)
.625
Metric Table

Dimensions in:

millimeters
(inches)

Part
Number
d1
d2
Through
Bore
d3
b
l1
l2
l3
l4
160
(6.30)
14
36
(1.42)
18
(.71)
20
(.79)
39
(1.54)
26
(1.02)
82.5
(3.25)