Mackay Type 304 stainless Multicushion, 25 x 20mm, duro 55
Available
Mackay stainless steel Multicushion is the Multicushion cushion isolator made from high-grade natural rubber with stainless steel (type 304) metal components, in the most popular sizes. It comes in two rubber hardnesses, Duro 40 and Duro 55, and the cushions are supplied without fixing studs.
Available as 20 part numbers: 10 diameter and height combinations from 20 x 25mm to 50 x 45mm, each in Duro 40 and 55, with M6, M8 and M10 threads. Recommended fixing these cushions with stainless steel hexagonal socket set screws used with an appropriate locking compound.
Where this product is used
- Fixing with stainless steel hexagonal socket set screws and an appropriate locking compound
- Equipment that needs stainless steel (type 304) metal components on the cushion
- Corrosive environments or solvents, after confirming with Mackay Technical staff that natural rubber is suitable
Features
- Metal components are stainless steel (type 304)
- Made from high-grade natural rubber
- Available in two rubber hardnesses, Duro 40 and Duro 55
- Supplied without fixing studs
- Recommended stainless steel hexagonal socket set screws with an appropriate locking compound
- Consult Mackay Technical staff to confirm natural rubber is suitable for corrosive environments or solvents
- Not recommended for permanent tension loading, apply the load to the full face and not just the thread
Key specifications
| Specification | Detail |
|---|---|
| Brand | Mackay |
| Product type | Multicushion Vibration Isolator |
| Part numbers | 20 (10 diameter and height combinations in two Duro) |
| Diameter (A) | 20 to 50mm |
| Height (B) | 20 to 45mm |
| Hardness (Duro) | 40 and 55 |
| Colour code | 40 red, 55 yellow |
| Thread (C, metric) | M6, M8 and M10 |
| Metal components | Stainless steel (type 304) |
| Maximum compression deflection | 2.5 to 8mm |
| Maximum shear deflection | 3 to 10mm |
| Weight | 0.02 to 0.16kg |
| Diameter A (mm) | 20 to 50 |
| Height B (mm) | 20 to 45 |
| Duro | 40, 55 |
| Thread C | M6, M8, M10 |
| Max compression load (kg) | 30.5 to 195 |
| Max compression deflection (mm) | 2.5 to 8 |
| Max shear load (kg) | 5 to 34 |
| Max shear deflection (mm) | 3 to 10 |
| Weight (kg) | 0.02 to 0.16 |
Choosing the right option
Choose the cushion by load first. Each part number has its own maximum load in compression and in shear, so work out the share of the machine weight each cushion carries and stay within the figure for the Duro you choose. All properties are nominal. These cushions have no studs, so plan the fixing before you order: stainless steel hexagonal socket set screws with a locking compound, and the C column gives the thread size. Natural rubber may not suit corrosive environments or solvents, so check with Mackay Technical staff first. Apply the load to the full face of the cushion and avoid permanent tension loading.
Related Mackay products: Mackay Multicushion Isolator, Mackay Multibuffer Stainless Steel.
| Option | SKU |
|---|---|
| 20 x 25 / 40 | A0166289 |
| 20 x 25 / 55 | A0166290 |
| 25 x 20 / 40 | A0166291 |
| 25 x 30 / 40 | A0166293 |
| 25 x 20 / 55 | A0166292 |
| 25 x 30 / 55 | A0166294 |
| 30 x 20 / 40 | A0166295 |
| 30 x 30 / 40 | A0166297 |
| 30 x 40 / 40 | A0166299 |
| 30 x 20 / 55 | A0166296 |
| 30 x 30 / 55 | A0166298 |
| 30 x 40 / 55 | A0166300 |
| 40 x 30 / 40 | A0166301 |
| 40 x 40 / 40 | A0166303 |
| 40 x 30 / 55 | A0166302 |
| 40 x 40 / 55 | A0166304 |
| 50 x 35 / 40 | A0166305 |
| 50 x 45 / 40 | A0166307 |
| 50 x 35 / 55 | A0166306 |
| 50 x 45 / 55 | A0166308 |
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Mackay Multicushion Isolator Stainless Steel: 25 x 20 / 55
SKU: A0166292 | Model: M11252055
Mackay M11252055: 25 x 20mm stainless steel Multicushion isolator, Duro 55, M6 thread. Maximum compression load: 54kg. Colour code: Yellow.
