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



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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Product description


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.


Mount body
Silicone rubber MVQ (Elastosil®)
  • GrayGRGR
  • FDA compliant
  • Vulcanized to the cover plate
  • Temperature resistant up to 392 °F (200 °C)
  • Shore hardness A ±5

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

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

Part Options / Table

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Dimensions in: Inch (change to Metric)
stSpring rate ≈
Hardness 55
Max. load
Hardness 55
Max. deflection ≈
Hardness 55
0.7510 x 240.470.630.080.20360 lbf/in (63 N/mm)56.20 lbf (250 N)0.16
0.981/4 x 200.650.810.080.24514 lbf/in (90 N/mm)103 lbf (460 N)0.20
1.265/16 x 180.831.020.080.31668 lbf/in (117 N/mm)171 lbf (760 N)0.26
1.505/16 x 180.961.260.080.31645 lbf/in (113 N/mm)202 lbf (900 N)0.31
1.973/8 x 161.261.690.080.39845 lbf/in (148 N/mm)355 lbf (1580 N)0.42
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Dimensions in: Inch | Metric
stSpring rate ≈
Hardness 55
Max. load
Hardness 55
Max. deflection ≈
Hardness 55
0.75M 50.470.630.080.20360 lbf/in (63 N/mm)56.20 lbf (250 N)0.16
0.98M 60.650.810.080.24514 lbf/in (90 N/mm)103 lbf (460 N)0.20
1.26M 80.831.020.080.31668 lbf/in (117 N/mm)171 lbf (760 N)0.26
1.50M 80.961.260.080.31645 lbf/in (113 N/mm)202 lbf (900 N)0.31
1.97M 101.261.690.080.39845 lbf/in (148 N/mm)355 lbf (1580 N)0.42
* Not available from stock, requires a minimum order quantity

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Total US Dollars (net)
In stock: 132
In Stock
Please note our quantity discounts (US Dollars).
≥ 250$5.95
Prop 65: Not compliant
Cancer and Reproductive Harm -
RoHS: -
This part is new in our product range, no details are available at this time. For more recent details on the RoHS compatibility, please contact our Sales Department!
Weight: -
If weight is not listed, please contact our Sales Department for additional information regarding weight.
Phone: 800-877-8351
All Prices are in US Dollars. Taxes Not Included.

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