GN 648.2 Ball joint heads with threaded bolt

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Ball joint heads GN 648.2 are similar to DIN ISO 12240-4, series K (formerly DIN 648 K).

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GN 648.2 / Ball Joint Heads with Threaded Bolt

Information

Ball joint heads GN 648.2 are similar to DIN ISO 12240-4, series K (formerly DIN 648 K).

see also...
• More information to ball joints as well as load capacity
• Stainless Steel-Ball joint heads with threaded bolt GN 648.6

How to Order

How to order	1	d₁
	2	d₂
	3	Type

Specification

• Housing Steel
- Zinc-plated, blue passivated
- d₁ = 5 up to 12: machined
- d₁ = 14 up to 25: forged
• Pairings
- Type N (lubrication possible)
Bearing socket
Brass, CuZn40Al1
Internal ring
Steel, 100Cr6
Hardened, ground, polished
- Type W (self lubricated)
Bearing socket
Steel, zinc plated
With PTFE-insert
Internal ring
Steel, 100Cr6
Hardened, ground, polished
• ISO-Fundamental Tolerances
• RoHS compliant

On Request

• Narrow model (ISO 12240-1, series E)

Dimensions


d₁ H7	d₂		b₁ −0.12	b₂	d₃	d₄	l₁	l₂	l₃	w
		Left hand								Movement
		thread								angle
5**	M 5	M 5L	8	6	7.7	18	33	42	20	13°
6	M 6	M 6L	9	6.75	8.9	20	36	46	22	13°
8	M 8	M 8L	12	9	10.4	24	42	54	25	14°
10	M 10	M 10L	14	10.5	12.9	28	48	62	29	13°
12	M 12	M 12L	16	12	15.4	32	54	70	33	13°
14	M 14	M 14L	19	13.5	16.8	36	60	78	38	16°
16	M 16	M 16L	21	15	19.3	42	66	87	40	15°
18	M 18 x 1,5	M 18 x 1,5L	23	16.5	21.8	46	72	95	44	15°
20	M 20 x 1,5	M 20 x 1,5L	25	18	24.3	50	78	103	47	14°
22	M 22 x 1,5	M 22 x 1,5L	28	20	25.8	54	84	111	51	15°
25	M 24 x 2	M 24 x 2L	31	22	29.6	60	94	124	58	15°
30*	M 30 x 2	M 30 x 2L	37	25	34.8	70	110	145	71	17°

* Only available in type W ** d₁ = 5 type N no lubrication possible

Data to be displayed: 30; 45; 60

Part Number
648.2-20-M20X1,5-N
648.2-20-M20X1,5-W
648.2-20-M20X1,5L-N
648.2-20-M20X1,5L-W

Standard Unit Price	Minimum order quantity	Volume Discount	Standard Shipping Days ?	Thread d2	I.D. D (mm)	Connection screw direction	Liner Material	Allowable Tilt Angle α (deg)	Lubricating Method	Type
50.04 € 26.52 €	1	Available	Same day Stock	[M20] M20 x 1,5	20	Right Screw	Special Copper Alloy	14	Lubrication	N- Brass / Steel lubrication possible
57.14 € 30.28 €	1	Available	Same day Stock	[M20] M20 x 1,5	20	Right Screw	PTFE	14	Oil-Free	W- Steel -PTFE / Steel self lubricated
50.04 €	1	Available	7 Days	[M20] M20 x 1,5	20	Left Screw	Special Copper Alloy	14	Lubrication	N- Brass / Steel lubrication possible
57.14 € 30.28 €	1	Available	Same day Stock	[M20] M20 x 1,5	20	Left Screw	PTFE	14	Oil-Free	W- Steel -PTFE / Steel self lubricated

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Basic information

Type	Rod End Bearing	Tpyes of Rod End Bearing	Standard	Material	Steel
Connection screw shape	Male thread	The material of a ball	Steel

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Basic Attributes

I.D. D(mm)
5

6

8

10

12

14

16

18

20

22

25

30
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Connection screw direction
- Right Screw
- Left Screw
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Liner Material
Special Copper Alloy

PTFE
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Allowable Tilt Angle α(deg)
13

14

15

16

17
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Lubricating Method
- Oil-Free
- Lubrication
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Type
- N- Brass / Steel lubrication possible
- W- Steel -PTFE / Steel self lubricated
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Type
- 648.2
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Thread d2
- M5
- M6
- M8
- M10
  - M10
- M12
  - M12
- M14
  - M14
- M16
  - M16
- M18
  - M18 x 1,5
- M20
  - M20 x 1,5
- M22
  - M22 x 1,5
- M24
  - M24 x 2
- M30
  - M30 x 2
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