Swivel Ball Joints GN 784

Type: A - Ball with internal thread
Identification No.: 2 - Clamping with set screw with hexagon socket

Standard sheet GN 784 Print this page Stainless Steel Characteristics

Product description

Swivel ball joints GN 784 allow precise and stepless adjustment of the ball pivot within the swiveling 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 forces on the ball. This force is easily applied with the adjustable lever (Identification no.1).

The ball joint can be mounted from below with the d₅ internal thread or together with the GN 784.1 flange, 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 torques increases the stop torque, but may result in increased wear of the clamping mechanism.

Specification

Housing
Aluminum
Anodized, blackELS

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

RoHS

Accessory

Flanges GN 784.1

On request

Clamping with star knob DIN 6335

d₁	d₂* Type A	r₁ Type A	d₃* Type A	Type A Inch thread	r₂ Type A	d₄ Type B	Type B Inch thread	r₁ Type B	l₁ Type B

23	M 4	17,3	M 5	-	24,8	M 5	-	17,3	8
23	-	-	-	1/4 (= 1/4-20)	24,8	M 6	1/4 (= 1/4-20)	17,3	10
31	M 5	21,5	M 6	1/4 (= 1/4-20)	32,5	M 6	1/4 (= 1/4-20)	21,5	10
31	-	-	-	-	32,5	M 8	-	21,5	12
39	M 5	25,5	M 6	-	36,2	M 6	-	25,5	10
39	-	-	M 8	3/8 (= 3/8-16)	40,5	M 8	3/8 (= 3/8-16)	25,5	12
49	M 8	30,8	-	3/8 (= 3/8-16)	44,8	M 8	3/8 (= 3/8-16)	30,8	12
49	-	-	M 10	-	51,8	M 10	-	30,8	15

d₁	d₅*	d₆	d₇	d₈	h₁	h₂	h₃	k	l₂	m	A/F₁	A/F₂	recommended tightening torque of the clamping (Identification no.) in Nm ≈	resulting stop torque on the ball in Nm ≈

23	M 5	14	11	2,5	26,6	21,7	10,6	32	22	7	9	2,5	1.5	4.5
23	M 5	14	11	2,5	26,6	21,7	10,6	32	22	7	9	2,5	1.5	4.5
31	M 6	18	14	3,5	35,5	29,6	14,9	36	22	9	12	3	2.5	6.5
31	M 6	18	14	3,5	35,5	29,6	14,9	36	22	9	12	3	2.5	6.5
39	M 8	24	15	4,5	45	37,2	18,9	44	30	12	13	4	4	16
39	M 8	24	15	4,5	45	37,2	18,9	44	30	12	13	4	4	16
49	M 8	28	19,5	4,5	56	46,1	24	49	30	16	17	4	4	20
49	M 8	28	19,5	4,5	56	46,1	24	49	30	16	17	4	4	20

GN 784 Swivel Ball Joints Aluminum

Product description

Specification

Accessory

On request

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1	Clamping with adjustable hand lever
2	Clamping with set screw with hexagon socket