Solid Disk Safety Clutch Handwheels GN 321.4

Type: D - With revolving steel handle

More Information on Safety Clutch Handwheels Keyways P9 DIN 6885-2 ISO Fundamental Tolerances Operating Instruction for Safety Clutch Handwheels

Product description

While not actuated, solid disk safety clutch handwheels GN 321.4 do not transmit the rotational movement of the shaft to the wheel body. To drive and adjust, the clutch is engaged by pushing or pulling, depending on the code. When released, the handwheel is disengaged by spring force.

Type D ergonomically transmits fast adjustment movements via the revolving cylindrical handle. Precise adjustments are made via the wheel rim.

Specification

Body
Aluminum

Hub machined
Rim
- Turned
- Highly polished finish
- Radial and axial runout < 0.4 mm
Unmachined body matte shot-blasted finish

Safety clutch assembly GN 000.4
with friction bearing
Steel

Nitrided
Bearing surface ground resp. PTFE coated

Revolving handle GN 598
Steel

Powder coated
Black, textured finish
Threaded spindle
Steel, zinc plated, blue passivated finish

RoHS

Accessory

GN 184 Countersunk Washers (for Axial Fixing)

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Part Number A - Without handle	Part Number D - With revolving steel handle	d₁	d₂ H7 Bore with keyway	d₃	d₄ max.	l₁	l₂	l₃	l₄	r	w min.	Ø Handle GN 598	Coupling GN 000.4 Size

321.4-125-K12-A-ZI	321.4-125-K12-D-ZI	4.92	K 12 H7	1.10	0.67	1.12	0.71	0.20	2.66	2.13	0.16	0.91	1
321.4-140-K12-A-ZI	321.4-140-K12-D-ZI	5.51	K 12 H7	1.10	0.67	1.12	0.75	0.20	2.66	2.40	0.16	0.91	1
321.4-140-K14-A-ZI	321.4-140-K14-D-ZI	5.51	K 14 H7	1.26	0.83	1.28	0.75	0.24	2.66	2.40	0.16	0.91	2
321.4-140-K16-A-ZI	321.4-140-K16-D-ZI	5.51	K 16 H7	1.26	0.83	1.28	0.75	0.24	2.66	2.40	0.16	0.91	2
321.4-160-K14-A-ZI	321.4-160-K14-D-ZI	6.30	K 14 H7	1.26	0.83	1.28	0.79	0.24	3.25	2.80	0.16	1.02	2
321.4-160-K16-A-ZI	321.4-160-K16-D-ZI	6.30	K 16 H7	1.26	0.83	1.28	0.79	0.24	3.25	2.80	0.16	1.02	2
321.4-200-K18-A-ZI	321.4-200-K18-D-ZI	7.87	K 18 H7	1.50	1.02	1.44	0.94	0.24	3.25	3.50	0.16	1.02	3
321.4-200-K20-A-ZI	321.4-200-K20-D-ZI	7.87	K 20 H7	1.50	1.02	1.44	0.94	0.24	3.25	3.50	0.16	1.02	3
321.4-250-K22-A-ZI	321.4-250-K22-D-ZI	9.84	K 22 H7	1.77	1.18	1.87	1.10	0.47	3.64	4.45	0.16	1.10	4

Part Number A - Without handle	Part Number D - With revolving steel handle	d₁	d₂ H7 Bore with keyway	d₃	d₄ max.	l₁	l₂	l₃	l₄	r	w min.	Ø Handle GN 598	Coupling GN 000.4 Size

321.4-125-K12-A-DR	321.4-125-K12-D-DR	4.92	K 12 H7	1.10	0.67	1.12	0.71	0.20	2.66	2.13	0.16	0.91	1
321.4-140-K12-A-DR	321.4-140-K12-D-DR	5.51	K 12 H7	1.10	0.67	1.12	0.75	0.20	2.66	2.40	0.16	0.91	1
321.4-140-K14-A-DR	321.4-140-K14-D-DR	5.51	K 14 H7	1.26	0.83	1.28	0.75	0.24	2.66	2.40	0.16	0.91	2
321.4-140-K16-A-DR	321.4-140-K16-D-DR	5.51	K 16 H7	1.26	0.83	1.28	0.75	0.24	2.66	2.40	0.16	0.91	2
321.4-160-K14-A-DR	321.4-160-K14-D-DR	6.30	K 14 H7	1.26	0.83	1.28	0.79	0.24	3.25	2.80	0.16	1.02	2
321.4-160-K16-A-DR	321.4-160-K16-D-DR	6.30	K 16 H7	1.26	0.83	1.28	0.79	0.24	3.25	2.80	0.16	1.02	2
321.4-200-K18-A-DR	321.4-200-K18-D-DR	7.87	K 18 H7	1.50	1.02	1.44	0.94	0.24	3.25	3.50	0.16	1.02	3
321.4-200-K20-A-DR	321.4-200-K20-D-DR	7.87	K 20 H7	1.50	1.02	1.44	0.94	0.24	3.25	3.50	0.16	1.02	3
321.4-250-K22-A-DR	321.4-250-K22-D-DR	9.84	K 22 H7	1.77	1.18	1.87	1.10	0.47	3.64	4.45	0.16	1.10	4

d₁	d₂ H7 Bore with keyway	d₃	d₄ max.	l₁	l₂	l₃	l₄	r	w min.	Ø Handle GN 598	Coupling GN 000.4 Size

4.92	K 12	-	1.10	0.67	1.12	0.71	0.20	2.66	2.13	0.16	0.91	1
5.51	K 12	-	1.10	0.67	1.12	0.75	0.20	2.66	2.40	0.16	0.91	1
5.51	K 14	K 16	1.26	0.83	1.28	0.75	0.24	2.66	2.40	0.16	0.91	2
6.30	K 14	K 16	1.26	0.83	1.28	0.79	0.24	3.25	2.80	0.16	1.02	2
7.87	K 18	K 20	1.50	1.02	1.44	0.94	0.24	3.25	3.50	0.16	1.02	3
9.84	K 22	-	1.77	1.18	1.87	1.10	0.47	3.64	4.45	0.16	1.10	4