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GN521.3 Safety handwheels plastic retractable handle clamping handwheel GN 521.3 521-3 GN521-3 GN 521-3

Standard Machine Elements > Handwheels & Cranked Handles
Standard Machine Elements > Handwheels & Cranked Handles > Disc Handwheel
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GN521.3 (VDS+IR) Handwheel, Plastic, Retractable Handle

 

images/300/GN521.3-Handwheels-with-retractable-handle-Plastic-drawing_H.png

 

Bore Code B - without keyway + Bore-diameter

Bore Code K - with keyway + Bore-diameter (available on request) DIN6885

Type R - with revolving retractable handle

 

Select Values to Buy:

Tech Spec:

 

GN 521.3 (VDS+IR) Handwheel, Plastic, Retractable Handle.

The shape, design and quality of this disc handwheel meets high expectations, whilst being very competitively priced.

The handle in these safety handwheels is locked into position, in a conical bore, during use, or into its recess when at rest. A pressure spring holds the handle in either rest position, and cannot be accidentally knocked. When the handle is used in the operating position it is firmly anchored. To fold it in, it has to be pulled out of the rest position parallel to the shaft. When swung back out, into the operation position, it will automatically engage.

The cover conceals clamping elements, e.g. countershaft pulleys, as well as protruding and recessed shafts. For mounting, the cover is pushed in by hand. For dismantling, the cover can be raised and taken off by applying moderate pressure in the rim of the cover.

Specification

Plastic, Technopolymer (Polypropylene PP), reinforced, shock-resistant, temperature resistant up to 80°C, black, matt.

Hub Bush - steel, blackened.

Hub Cap - plastic. Black for d1 = 80. Gray for d1 ≥ 100.

Retracting Mechanism - Steel, blackened.

Retractable Handle - Plastic, technopolymer, black, matt.

Available On Request - With safety retractable handle (swivelling). Cover in other colors.

RoHS compliant

Select / Deselect Visible Columns
PartCoded1d2Typed3d4d5d6d7bhl1l2l3rØBore CodematerialMass
 
GN521.3-80-B8-R808R18162513.516.52041738452815.5BPP0.117
GN521.3-80-B10-R8010R18162513.516.52041738452815.5BPP0.13
GN521.3-100-B8-R1008R22203025272492234453915.5BPP0.175
GN521.3-100-B10-R10010R22203025272492234453915.5BPP0.17
GN521.3-100-B12-R10012R22203025272492234453915.5BPP0.163
GN521.3-125-B12-R12512R262435283128112739.5604918BPP0.309
GN521.3-125-B14-R12514R262435283128112739.5604918BPP0.293
GN521.3-150-B14-R15014R262438303432103044655822BPP0.409
GN521.3-150-B16-R15016R262438303432103044655822BPP0.392
GN521.3-175-B16-R17516R353344353936162849807024BPP0.56
GN521.3-175-B20-R17520R353344353936162849807024BPP0.565
GN521.3-200-B20-R20020R403850404439133653908125BPP0.751
GN521.3-200-B24-R20024R403850404439133653908125BPP0.687
GN521.3-250-B20-R25020R4038574850431936609010425BPP0.965
GN521.3-300-B20-R30020R4036.5726568.5461844669012425BPP1.375
#40940.4~40945.14#


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