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| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £9.95 | 7 to 10 working days |
| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £9.95 | 7 to 10 working days |
| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £3.99 | 3 to 5 working days |
| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £9.95 | 5 to 7 working days |
| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £9.95 | 7 to 10 working days |
Product Number: 4040MM23-45
Variations
Where vibration isolation takes priority over load restraint, the 40x40mm Male-Male Bobbin Mount in 45 Shore A rubber (SKU: 4040MM23-45) is engineered to absorb movement at the softer end of the hardness range. With an M8 x 23mm stud configuration and a maximum load rating of 29.0 kg, this mount is suited to lighter or sensitive installations where controlling vibration transmission matters most, delivering a deflection of 3.6 mm under load to confirm its compliance and isolating capacity. The rubber-to-metal bonded construction uses a soft 45 Shore A compound that prioritises maximum deflection and vibration attenuation over structural restraint. This grade responds well to lower-frequency excitation from light equipment, making it appropriate where the primary objective is protecting sensitive components or structures from transmitted shock and vibration rather than carrying high loads with minimal movement. The male-male stud arrangement offers straightforward in-line fitment between equipment and mounting surface. Typical applications include instrument mountings, air-conditioning units, smaller generator sets, and light industrial machinery and equipment where isolation of sensitive assemblies is the design requirement. The mount is equally usable in shear, compression, or a combination of both loading directions, giving installation flexibility. Industries such as agriculture, marine, automotive, and power generation, where lighter-duty vibration control is needed, are well served by this specification. This mount is available in firmer grades for higher-load or higher-restraint duties: 60 Shore A (SKU: 4040MM23-60) and 70 Shore A (SKU: 4040MM23-70).
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| Hardness (Shore A) | 45 |
|---|---|
| Body diameter D (mm) | 40 |
| Overall height H (mm) | 40 |
| Stud thread d | M8 |
| Stud length L (mm) | 23 |
| Max load (kg) | 29 |
| Deflection (mm) | 3.6 |
| Engine Parts | Product Number | Product Name | Recommended Units | Product Price |
|---|
Standard Delivery: £3.99
Delivery Estimate: 3 to 5 working days
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| Technical Specification | |||||
|---|---|---|---|---|---|
| PRODUCT NUMBER | 2530MM18-70 | 2530MM20-70 | 3025MM20-60 | 2520MM18-60 | 2520MM20-60 |
| Type | Bobbin Mount | Bobbin Mount | Bobbin Mount | Bobbin Mount | Bobbin Mount |
| Length | 30mm | 30mm | |||
| Height | 25mm | 20mm | 20mm | ||
| Size | 25x30mm | 25x30mm | 30x25mm | 25x20mm | 25x20mm |
| Deflection | 2.7 | 2.7 | 2.1 | 1.6 | 1.6 |
| Diameter | 25mm | 25mm | |||
| Diameter Range | 11-25mm | 11-25mm | |||
| Length Range | 26-50mm | 26-50mm | |||
| Mount Dimension | 30mm | 25mm | 25mm | ||
| Shore Hardness | 70 | 70 | |||
| Thread | M6 | M8 | M8 | M6 | M8 |
| Show More | |||||
A. This mount carries a maximum load of 29.0 kg and produces a deflection of 3.6 mm under load. The 45 Shore A rubber grade is the softest in the 40x40mm male-male range, giving the greatest deflection and highest vibration attenuation at lighter loads.
A. A softer 45 Shore A compound deflects more under load than harder grades, which translates to greater vibration isolation efficiency — particularly at lower frequencies. This grade is best suited to lighter or sensitive equipment where reducing transmitted vibration is the primary objective rather than restricting movement.
A. The 4040MM23-45 uses an M8 x 23mm male-male stud arrangement, providing in-line fitment between the equipment and the mounting surface on both ends.
A. The mount may be loaded in shear, compression, or a combination of both, giving flexibility to suit a range of installation geometries.
A. Applications include instrument mountings, air-conditioning units, smaller generator sets, and light industrial machinery and equipment. Industries served include automotive, agriculture, marine, power generation, and construction and off-highway sectors.
A. Yes — the same body size is available in 60 Shore A (SKU: 4040MM23-60) and 70 Shore A (SKU: 4040MM23-70) for applications requiring higher load capacity or greater movement restraint.
A. Stainless steel metal components and oil-resistant or high-temperature rubber compounds are available on request, as are additional and custom sizes.
A. WhatsApp us on 07754 288583 with photos of the item and packaging, and we will resolve the issue in line with our returns policy.
A. Yes — WhatsApp us on 07754 288583 with any questions about specifications, suitability, or compatibility.
A. Yes — WhatsApp us on 07754 288583 with any questions about specifications, suitability, or compatibility.
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