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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: 4040FF08-70
Variations
Where loads are heavier and controlled movement is essential, the 4040FF08-70 female-female bobbin mount delivers a maximum load capacity of 78.0 kg with a deflection of just 3.6 mm, the firmest option in the 40x40mm M8 range. The 70 Shore A rubber compound provides the least give of the available grades in this geometry, making it the appropriate choice when the mounted item must be held securely under sustained load or intermittent shock and impact. Rubber-to-metal bonded construction unites the vulcanised rubber element with its metal end-fittings into a single, integrated assembly. The female-female M8 thread configuration simplifies installation where male-threaded studs are already present on both equipment and chassis. The mount can be loaded in shear, compression, or a combination of both, and the 40x40mm body dimensions suit compact installations where envelope space is restricted but load demands are high. At 70 Shore A, this mount is suited to applications where vibration isolation is secondary to positional restraint and load-bearing: diesel engines, generator sets, industrial machinery and equipment, and exhaust mountings where the assembly must resist movement under thermal cycling and operational vibration simultaneously. Its industries of use span construction and off-highway, power generation, agriculture, marine, and automotive sectors, among others. This mount is part of a broader female-female bobbin family. The 40x40mm M8 thread is also available in 45 Shore A (4040FF08-45) and 60 Shore A (4040FF08-60) for installations requiring greater deflection and softer isolation. Larger-body variants include 4040FF10-70, 100100FF16, 10040FF16, 10045FF16, 10050FF16, 10055FF16 and 10060FF16.
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| Hardness (Shore A) | 70 |
|---|---|
| Body diameter D (mm) | 40 |
| Overall height H (mm) | 40 |
| Fixing thread / bolt size d | M8 |
| Max load (kg) | 78 |
| 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 | 5050MF25-60 | 4035MM23-70 | 4035MM25-70 | 5050MF28-60 | 4020MF23-60 |
| Type | Bobbin Mount | Bobbin Mount | Bobbin Mount | Bobbin Mount | Bobbin Mount |
| Length | 50mm | 35mm | 35mm | ||
| Height | 50mm | 20mm | |||
| Size | 50x50mm | 40x35mm | 40x35mm | 40x20mm | |
| Deflection | 4.5 | 3.1 | 3.1 | 4.5 | 1.6 |
| Diameter | 50mm | 40mm | 40mm | ||
| Diameter Range | 26-50mm | 26-50mm | 26-50mm | ||
| Length Range | 26-50mm | 26-50mm | 26-50mm | ||
| Mount Dimension | 50mm | 40mm | |||
| Shore Hardness | 60 | 70 | 70 | ||
| Thread | M10 | M8 | M10 | M10 | M8 |
| Show More | |||||
A. This mount has a maximum load capacity of 78.0 kg and a deflection of 3.6 mm, reflecting the firm 70 Shore A rubber grade used in its construction.
A. At 70 Shore A, this is the firmest grade available in the 40x40mm M8 female-female range. The harder rubber compound carries higher loads while limiting movement, making it appropriate where the mounted item must be held securely rather than allowed to deflect freely.
A. The mount can be used in shear, compression, or a combination of both, giving flexibility in how it is oriented within an installation.
A. It is suited to diesel engines, generator sets, industrial machinery and equipment, and exhaust mountings — particularly where sustained load, shock, or impact resistance is a priority alongside vibration attenuation. Industries served include construction and off-highway, power generation, agriculture, marine, and automotive.
A. Yes. The 40x40mm M8 body is also available in 45 Shore A (4040FF08-45) and 60 Shore A (4040FF08-60) for softer isolation and greater deflection. A 40x40mm M10 variant at 70 Shore A is available as 4040FF10-70. Larger-body female-female mounts include 100100FF16, 10040FF16, 10045FF16, 10050FF16, 10055FF16 and 10060FF16.
A. Yes. Stainless steel metalwork and oil-resistant or high-temperature rubber compounds, as well as additional and custom sizes, are available on request.
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.
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