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GN 784
Swivel Ball Joints
Aluminum
GN 784-A
Swivel Ball Joints
Ball with internal thread
GN 784-B
Swivel Ball Joints
Ball with external thread
Description
Specification
Types
- Type A: Ball with internal thread
- Type B: Ball with external thread
Identification no.
- No. 1: Clamping with adjustable hand lever
- No. 2: Clamping with set screw
Housing
Aluminum
Anodized, black ELS
Base plate, ball
Aluminum, plain finish
Adjustable hand lever (Identification no. 1)
- Zinc die casting
Powder coated
Silver RAL 9006, textured finish
- Threaded stud and retaining screw
Stainless steel AISI 303
Set screw (Identification no. 2)
Stainless steel AISI 304
Information
Swivel ball joints GN 784 allow precise and stepless adjustment of the ball pivot within the swivelling range. This is a particular advantage when adjusting scanners, cameras, lighting, monitors, etc.
Thanks to the efficient clamping mechanism, only small amounts of torque on the clamping screw result in comparatively strong clamping pressure on the ball. This force is easily applied by the clamping lever (Identification no. 1).
The ball joint can be mounted from below with the d5 internal thread or together with the GN 784.1flange, available as an accessory, using three through-holes from above.
For a permanent high stop torque, the contact surfaces of the balls must be kept free of grease. Exceeding the recommended tightening torque increases the securing of the ball joint in its end position, but may result in increased wear and potential failure of the clamping mechanism.
Accessory
- Flanges GN 784.1
On request
- Clamping with star knob DIN 6335
Technical information
- Stainless Steel CharacteristicsÂ
GN 784-B
| Color | d1 | d4 | d4 Inch thread | d5* | d6 | d7 | d8 | h1 | h2 | h3 | k | l1 | l2 | m | r1 | A/F 1 | A/F 2 | Recommended tightening torque of the clamping (identification no) in Nm≈ | Resulting stop torque on the ball in Nm≈ |  |
||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Code | Actions | |||||||||||||||||||||
| GN 784-23-1/4-B-1-ELS | Identification No. 1 | 23 | - | 1/4 (= 1/4-20) | M 5 | 14 | 11 | 2.5 | 26.6 | 21.7 | 10.6 | 32 | 10 | 22 | 7 | 17.3 | 9 | - | 1.5 | 4.5 | 43 |
|
| GN 784-23-1/4-B-2-ELS | Identification No. 2 | 23 | - | 1/4 (= 1/4-20) | M 5 | 14 | 11 | 2.5 | 26.6 | 21.7 | 10.6 | - | 10 | - | 7 | 17.3 | 9 | 2.5 | 1.5 | 4.5 | 30 |
|
| GN 784-23-M5-B-1-ELS | Identification No. 1 | 23 | M 5 | - | M 5 | 14 | 11 | 2.5 | 26.6 | 21.7 | 10.6 | 32 | 8 | 22 | 7 | 17.3 | 9 | - | 1.5 | 4.5 | 70 |
|
| GN 784-23-M5-B-2-ELS | Identification No. 2 | 23 | M 5 | - | M 5 | 14 | 11 | 2.5 | 26.6 | 21.7 | 10.6 | - | 8 | - | 7 | 17.3 | 9 | 2.5 | 1.5 | 4.5 | 33 |
|
| GN 784-23-M6-B-1-ELS | Identification No. 1 | 23 | M 6 | - | M 5 | 14 | 11 | 2.5 | 26.6 | 21.7 | 10.6 | 32 | 10 | 22 | 7 | 17.3 | 9 | - | 1.5 | 4.5 | 43 |
|
| GN 784-23-M6-B-2-ELS | Identification No. 2 | 23 | M 6 | - | M 5 | 14 | 11 | 2.5 | 26.6 | 21.7 | 10.6 | - | 10 | - | 7 | 17.3 | 9 | 2.5 | 1.5 | 4.5 | 40 |
|
| GN 784-31-1/4-B-1-ELS | Identification No. 1 | 31 | - | 1/4 (= 1/4-20) | M 6 | 18 | 14 | 3.5 | 35.5 | 29.6 | 14.9 | 36 | 10 | 22 | 9 | 21.5 | 12 | - | 2.5 | 6.5 | 84 |
|
| GN 784-31-1/4-B-2-ELS | Identification No. 2 | 31 | - | 1/4 (= 1/4-20) | M 6 | 18 | 14 | 3.5 | 35.5 | 29.6 | 14.9 | - | 10 | - | 9 | 21.5 | 12 | 3 | 2.5 | 6.5 | 70 |
|
| GN 784-31-M6-B-1-ELS | Identification No. 1 | 31 | M 6 | - | M 6 | 18 | 14 | 3.5 | 35.5 | 29.6 | 14.9 | 36 | 10 | 22 | 9 | 21.5 | 12 | - | 2.5 | 6.5 | 83 |
|
| GN 784-31-M6-B-2-ELS | Identification No. 2 | 31 | M 6 | - | M 6 | 18 | 14 | 3.5 | 35.5 | 29.6 | 14.9 | - | 10 | - | 9 | 21.5 | 12 | 3 | 2.5 | 6.5 | 70 |
|
| GN 784-31-M8-B-1-ELS | Identification No. 1 | 31 | M 8 | - | M 6 | 18 | 14 | 3.5 | 35.5 | 29.6 | 14.9 | 36 | 12 | 22 | 9 | 21.5 | 12 | - | 2.5 | 6.5 | 84 |
|
| GN 784-31-M8-B-2-ELS | Identification No. 2 | 31 | M 8 | - | M 6 | 18 | 14 | 3.5 | 35.5 | 29.6 | 14.9 | - | 12 | - | 9 | 21.5 | 12 | 3 | 2.5 | 6.5 | 80 |
|
| GN 784-39-3/8-B-1-ELS | Identification No. 1 | 39 | - | 3/8 (= 3/8-16) | M 8 | 24 | 15 | 4.5 | 45 | 37.2 | 18.9 | 44 | 12 | 30 | 12 | 25.5 | 13 | - | 4 | 16 | 165 |
|
| GN 784-39-3/8-B-2-ELS | Identification No. 2 | 39 | - | 3/8 (= 3/8-16) | M 8 | 24 | 15 | 4.5 | 45 | 37.2 | 18.9 | - | 12 | - | 12 | 25.5 | 13 | 4 | 4 | 16 | 165 |
|
| GN 784-39-M6-B-1-ELS | Identification No. 1 | 39 | M 6 | - | M 8 | 24 | 15 | 4.5 | 45 | 37.2 | 18.9 | 44 | 10 | 30 | 12 | 25.5 | 13 | - | 4 | 16 | 160 |
|
| GN 784-39-M6-B-2-ELS | Identification No. 2 | 39 | M 6 | - | M 8 | 24 | 15 | 4.5 | 45 | 37.2 | 18.9 | - | 10 | - | 12 | 25.5 | 13 | 4 | 4 | 16 | 130 |
|
| GN 784-39-M8-B-1-ELS | Identification No. 1 | 39 | M 8 | - | M 8 | 24 | 15 | 4.5 | 45 | 37.2 | 18.9 | 44 | 12 | 30 | 12 | 25.5 | 13 | - | 4 | 16 | 159 |
|
| GN 784-39-M8-B-2-ELS | Identification No. 2 | 39 | M 8 | - | M 8 | 24 | 15 | 4.5 | 45 | 37.2 | 18.9 | - | 12 | - | 12 | 25.5 | 13 | 4 | 4 | 16 | 139 |
|
| GN 784-49-3/8-B-1-ELS | Identification No. 1 | 49 | - | 3/8 (= 3/8-16) | M 8 | 28 | 19.5 | 4.5 | 56 | 46.1 | 24 | 49 | 12 | 30 | 16 | 30.8 | 17 | - | 4 | 20 | 292 |
|
| GN 784-49-3/8-B-2-ELS | Identification No. 2 | 49 | - | 3/8 (= 3/8-16) | M 8 | 28 | 19.5 | 4.5 | 56 | 46.1 | 24 | - | 12 | - | 16 | 30.8 | 17 | 4 | 4 | 20 | 268 |
|
| GN 784-49-M8-B-1-ELS | Identification No. 1 | 49 | M 8 | - | M 8 | 28 | 19.5 | 4.5 | 56 | 46.1 | 24 | 49 | 12 | 30 | 16 | 30.8 | 17 | - | 4 | 20 | 289 |
|
| GN 784-49-M8-B-2-ELS | Identification No. 2 | 49 | M 8 | - | M 8 | 28 | 19.5 | 4.5 | 56 | 46.1 | 24 | - | 12 | - | 16 | 30.8 | 17 | 4 | 4 | 20 | 263 |
|
| GN 784-49-M10-B-1-ELS | Identification No. 1 | 49 | M 10 | - | M 8 | 28 | 19.5 | 4.5 | 56 | 46.1 | 24 | 49 | 15 | 30 | 16 | 30.8 | 17 | - | 4 | 20 | 294 |
|
| GN 784-49-M10-B-2-ELS | Identification No. 2 | 49 | M 10 | - | M 8 | 28 | 19.5 | 4.5 | 56 | 46.1 | 24 | - | 15 | - | 16 | 30.8 | 17 | 4 | 4 | 20 | 265 |
|
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