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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 |
Absorbing low-frequency vibration and cushioning light-duty impact is where the 4025MFB25-45 Male Flat Buffer earns its place, a 40 x 25 mm rubber-to-metal bonded unit threaded M10 x 25 mm, rated to a maximum load of 136.0 kg and calibrated at 45 Shore A for the greatest deflection in this geometry range. At this hardness grade, the rubber yields 6.3 mm of deflection under load, delivering the maximum energy absorption and vibration isolation available across the flat buffer family at this size. That compliance makes it the correct selection wherever isolating the structure from the source of vibration matters more than restraining movement. The flat buffer design keeps installation straightforward: the male threaded stud fixes directly into the receiving structure or equipment chassis, while the flat rubber face contacts the secondary surface, absorbing and dissipating impact energy without mechanical complexity. Rubber-to-metal bonded construction ensures the elastomer and fixings act as a unified assembly under cyclic loading, resisting separation and maintaining consistent damping performance across service life. The 45 Shore A compound offers the greatest compliance in the range, making it particularly suited to sensitive or lightly loaded equipment where excessive stiffness would transmit rather than attenuate shock. Primary applications for this soft-grade unit span agricultural equipment, elevators, and light industrial machinery where operator comfort and protection of sensitive surrounding structures are priorities. It also suits commercial vehicle secondary mounting positions and power generation installations where lower-frequency isolation is the governing requirement.
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) | 45 |
|---|---|
| Body diameter D (mm) | 40 |
| Overall height H (mm) | 25 |
| Stud thread d | M10 |
| Stud length L (mm) | 25 |
| Max load (kg) | 136 |
| Deflection (mm) | 6.3 |
| 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 | 5050MFB25-45 | 3010FFB08-60 | 3015FFB08-60 | 4025FFB08-45 | 5050FFB10-45 |
| Type | Flat Buffer | Flat Buffer | Flat Buffer | Flat Buffer | Flat Buffer |
| Length | 50mm | 25mm | 50mm | ||
| Height | 10mm | 15mm | |||
| Size | 50x50mm | 30x15mm | 40x25mm | 50x50mm | |
| Deflection | 12.5 | 3.75 | 3.75 | 6.25 | 12.5 |
| Diameter | 50mm | 40mm | 50mm | ||
| Diameter Range | 26-50mm | 26-50mm | 26-50mm | ||
| Length Range | 26-50mm | 11-25mm | 26-50mm | ||
| Shore Hardness | 45 | 45 | 45 | ||
| Thread | M10 | M8 | M8 | M8 | M10 |
| Show More | |||||
A. This buffer is rated to a maximum load of 136.0 kg with a deflection of 6.3 mm at 45 Shore A hardness. The 45 Shore A grade provides the greatest deflection of the flat buffer grades at this size, making it the highest-isolation option in the 40 x 25 mm flat buffer range.
A. Shore A hardness indicates the stiffness of the rubber compound. At 45 Shore A, the rubber is at the softer end of the range for this geometry, yielding greater deflection under load and providing better vibration isolation. Softer grades are best suited to lighter loads and applications where isolating vibration matters more than restricting movement.
A. The 4025MFB25-45 is suited to agricultural equipment, elevators, light industrial machinery, and commercial vehicles — particularly in secondary mounting positions or wherever lower-frequency vibration isolation and protection of sensitive structures or operator comfort are the primary requirements.
A. The rubber-to-metal bonded construction absorbs and dissipates impact energy when the flat rubber face contacts a secondary surface or moving component. It can be loaded in compression, shear, or a combination, cushioning machinery against impact shocks and reducing transmitted vibration to surrounding structures.
A. The buffer body measures 40 mm diameter by 25 mm height (D x H: 40 x 25 mm). The male stud is M10 thread with a 25 mm length (d x L: M10 x 25 mm).
A. Yes. The same body size is available in 60 Shore A (SKU: 4025MFB25-60) for general-purpose use and 70 Shore A (SKU: 4025MFB25-70) for higher-load or higher-restraint applications. Select the harder grade where load or movement restriction is the governing factor.
A. Yes — stainless steel metal inserts, oil-resistant rubber compounds, high-temperature rubber compounds, and additional or custom sizes are all available on request.
A. We accept returns within 30 days of purchase for items that are unused, undamaged, and in their original packaging. Returns are available only for UK-delivered orders and must include proof of purchase. Before returning an item, please contact us at [email protected] to obtain a Return Merchandise Number (RMN).
A. In-stock orders placed before 14:30 Monday to Friday are usually dispatched the same day.
A. In-stock orders placed before 14:30 Monday to Friday are usually dispatched the same day.
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