GN 256 Vibration / Shock Absorption Mounts Silicone, Conical Type, with Stainless Steel Components, with Tapped Hole

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Product Family Stainless Steel

Standard parts made of rustproof stainless steel have been designed for use in the food sector, in the chemical industry, for aggressive ambient conditions or for outdoor use.

corrosion-resistant
precise fit
environmentally friendly

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Standard Sheet GN 256 Print This Page Elastomer Characteristics Stainless Steel Characteristics

Product description

Information

GN 256 vibration / shock absorption mounts are used as end-stop bumpers or set-up elements for machines and systems, e.g. for conveyors.

The silicon rubber absorbs vibrations, has a dampening effect, is resistant to age and has an increased working temperature range. Due to the material purity, use is possible in the food and medical industry.

Specification

Mount body
Silicone rubber MVQ (Elastosil^®)

GrayGR
FDA compliant
Vulcanized to the cover plate
Temperature resistant up to 392 °F (200 °C)
Shore hardness A ±5
Medium55

Cover plate / tapped insert
Stainless steel AISI 304

RoHS compliant

On request

Other colors

Versions with shore hardness A ±5

Soft*40
Hard*70

Technical drawing

GN 256 Silicone Vibration / Shock Absorption Mounts, Conical Type, with Stainless Steel Components, with Tapped Hole sketch

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Part Options / Table

Part Number	d₁	d₂ Thread	d₃	h	s	t	Spring rate ≈ Hardness 55	Max. load Hardness 55	Max. deflection ≈ Hardness 55

256-19-10X24-55-GR	0.75	10 x 24	0.47	0.63	0.08	0.20	360 lbf/in (63 N/mm)	56.20 lbf (250 N)	0.16
256-25-1/4X20-55-GR	0.98	1/4 x 20	0.65	0.81	0.08	0.24	514 lbf/in (90 N/mm)	103 lbf (460 N)	0.20
256-32-5/16X18-55-GR	1.26	5/16 x 18	0.83	1.02	0.08	0.31	668 lbf/in (117 N/mm)	171 lbf (760 N)	0.26
256-38-5/16X18-55-GR	1.50	5/16 x 18	0.96	1.26	0.08	0.31	645 lbf/in (113 N/mm)	202 lbf (900 N)	0.31
256-50-3/8X16-55-GR	1.97	3/8 x 16	1.26	1.69	0.08	0.39	845 lbf/in (148 N/mm)	355 lbf (1580 N)	0.42
256-19-M5-55-GR	0.75	M 5	0.47	0.63	0.08	0.20	360 lbf/in (63 N/mm)	56.20 lbf (250 N)	0.16
256-25-M6-55-GR	0.98	M 6	0.65	0.81	0.08	0.24	514 lbf/in (90 N/mm)	103 lbf (460 N)	0.20
256-32-M8-55-GR	1.26	M 8	0.83	1.02	0.08	0.31	668 lbf/in (117 N/mm)	171 lbf (760 N)	0.26
256-38-M8-55-GR	1.50	M 8	0.96	1.26	0.08	0.31	645 lbf/in (113 N/mm)	202 lbf (900 N)	0.31
256-50-M10-55-GR	1.97	M 10	1.26	1.69	0.08	0.39	845 lbf/in (148 N/mm)	355 lbf (1580 N)	0.42

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Inch

Dimensions in: Inch (change to Metric)

d₁	d₂ Thread	d₃	h	s	t	Spring rate ≈ Hardness 55	Max. load Hardness 55	Max. deflection ≈ Hardness 55

0.75	10 x 24	0.47	0.63	0.08	0.20	360 lbf/in (63 N/mm)	56.20 lbf (250 N)	0.16
0.98	1/4 x 20	0.65	0.81	0.08	0.24	514 lbf/in (90 N/mm)	103 lbf (460 N)	0.20
1.26	5/16 x 18	0.83	1.02	0.08	0.31	668 lbf/in (117 N/mm)	171 lbf (760 N)	0.26
1.50	5/16 x 18	0.96	1.26	0.08	0.31	645 lbf/in (113 N/mm)	202 lbf (900 N)	0.31
1.97	3/8 x 16	1.26	1.69	0.08	0.39	845 lbf/in (148 N/mm)	355 lbf (1580 N)	0.42

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Metric

Dimensions in: Inch | Metric

d₁	d₂ Thread	d₃	h	s	t	Spring rate ≈ Hardness 55	Max. load Hardness 55	Max. deflection ≈ Hardness 55

0.75	M 5	0.47	0.63	0.08	0.20	360 lbf/in (63 N/mm)	56.20 lbf (250 N)	0.16
0.98	M 6	0.65	0.81	0.08	0.24	514 lbf/in (90 N/mm)	103 lbf (460 N)	0.20
1.26	M 8	0.83	1.02	0.08	0.31	668 lbf/in (117 N/mm)	171 lbf (760 N)	0.26
1.50	M 8	0.96	1.26	0.08	0.31	645 lbf/in (113 N/mm)	202 lbf (900 N)	0.31
1.97	M 10	1.26	1.69	0.08	0.39	845 lbf/in (148 N/mm)	355 lbf (1580 N)	0.42