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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 |
With a rated maximum load of 255.7 kg with a controlled deflection of just 6.75 mm, the 4027FFB08-70 Female Flat Buffer is engineered for applications where holding position under significant force is the priority. At 40 mm diameter by 27 mm height with an M8 female thread, this firm 70 Shore A rubber-to-metal bonded unit is the correct choice where heavier operational loads, shock events, or the need to restrain movement demand the least compliance in the flat-buffer range. Constructed from bonded rubber and metal, the buffer works by absorbing and dissipating energy on impact, reducing force transmitted to surrounding structures and machinery frames. The 70 Shore A hardness grade delivers the highest load capacity in the flat buffer family, making it suitable for environments where softer grades would deflect excessively or fail to maintain positional control. Mounts of this type may be loaded in compression, shear, or a combination of both. The 4027FFB08-70 is well suited to general industrial machinery, construction equipment, agricultural equipment, commercial vehicles, and power generation plant, wherever a standard mounting point must carry moderate-to-heavy loads without allowing unwanted movement. It also serves industries including marine, railway and mass transit, and automotive applications requiring a firm, high-capacity bump stop or elastic element in direct contact with a surface. Rubber-to-metal bonded construction contributes to improved machinery lifespan, protects adjacent structures, and can enhance operator comfort by limiting harsh metal-to-metal contact.
About PartsForMachines:PartsForMachines is a premier e-commerce platform, founded in 2019 in Warwickshire, UK, specializing in aftermarket parts and services for construction, agriculture, and industrial machinery. We offer an extensive catalog of over 500,000 products. Standard delivery: 1–3 working days within UK mainland. We are proud to be an authorised distributor, giving customers extra confidence when purchasing genuine products from us. In addition, we provide a 30-day return policy for eligible items.
| Hardness (Shore A) | 70 |
|---|---|
| Body diameter D (mm) | 40 |
| Overall height H (mm) | 27 |
| Fixing thread / bolt size d | M8 |
| Max load (kg) | 255.7 |
| Deflection (mm) | 6.75 |
| 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 | 4028FFB10-70 | 5040FFB10-60 | 4028MFB23-70 | 5030FFB12-45 | 5040MFB25-60 |
| Type | Flat Buffer | Flat Buffer | Flat Buffer | Flat Buffer | Flat Buffer |
| Length | 28mm | 40mm | 28mm | 30mm | 40mm |
| Size | 40x28mm | 50x40mm | 40x28mm | 50x30mm | 50x40mm |
| Deflection | 7 | 10 | 6.8 | 7.5 | 10 |
| Diameter | 40mm | 50mm | 40mm | 50mm | 50mm |
| Diameter Range | 26-50mm | 26-50mm | 26-50mm | 26-50mm | 26-50mm |
| Length Range | 26-50mm | 26-50mm | 26-50mm | 26-50mm | 26-50mm |
| Shore Hardness | 70 | 60 | 70 | 45 | 60 |
| Thread | M10 | M10 | M8 | M12 | M10 |
| Show More | |||||
A. The 4027FFB08-70 Female Flat Buffer has a maximum load capacity of 255.7 kg and a deflection of 6.75 mm at that load.
A. A 70 Shore A hardness grade is the firmest option in this flat buffer family. It carries higher loads with less movement compared to softer grades, making it appropriate for applications where positional control under significant force or shock is required.
A. The buffer measures 40 mm in diameter by 27 mm in height and uses an M8 female thread.
A. The Female Flat Buffer suits construction equipment, industrial machinery, agricultural equipment, commercial vehicles, and power generation plant. It also serves marine, railway and mass transit, automotive, and military and defence applications as a bump stop or elastic mounting element.
A. The rubber-to-metal bonded construction works by absorbing and dissipating energy on impact. The unit can be loaded in compression, shear, or a combination of both, reducing the force transmitted to surrounding structures and improving machinery lifespan.
A. Yes. The same 40x27mm M8 geometry is available in 45 Shore A (4027FFB08-45) and 60 Shore A (4027FFB08-60). Larger-format variants include 100100FFB16, 10030FFB16, 10040FFB16, 10050FFB16, 10055FFB16, and 10060FFB16.
A. Yes. Stainless steel metalwork, oil-resistant rubbers, high-temperature rubbers, and additional or 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.
A. Yes — WhatsApp us on 07754 288583 with any questions about specifications, suitability, or compatibility.
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