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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: 4020MM25-45
Variations
Sensitive installations and lighter equipment benefit most from a mount that prioritises isolation over restraint, and the 4020MM25-45 Male-Male Bobbin Mount is built precisely for that role. At 40 mm diameter by 20 mm height with M10 x 25 mm male threads at both ends and a 45 Shore A rubber element, this mount is rated to a maximum load of 41.0 kg with a deflection of 1.6 mm, figures that reflect the compliance characteristic of the soft grade and its suitability where movement under load is an advantage rather than a liability. The 45 Shore A hardness places this mount at the more compliant end of the bobbin range. Softer rubber delivers greater vibration absorption and lower natural frequency response, making this grade the appropriate choice when the priority is attenuating vibration energy rather than rigidly constraining it. Rubber-to-metal bonded construction ensures the elastomer and threaded steel inserts act as a single engineered unit, while the standard mild steel hardware is complemented by optional stainless steel and oil-resistant or high-temperature rubber compounds available on request for more demanding environments. Male-male bobbin mounts of this type are usable in shear, compression or a combination of both loading axes, giving installation flexibility without requiring separate mounting hardware. Typical applications drawn from the product family include instruments and sensitive equipment, air-conditioning units, exhaust mountings, generator sets, and general industrial machinery where lower-frequency vibration isolation and protection of surrounding structures are the governing design requirements.
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) | 20 |
| Stud thread d | M10 |
| Stud length L (mm) | 25 |
| Max load (kg) | 41 |
| Deflection (mm) | 1.6 |
| 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 | 3025MF20-70 | 5050MF25-45 | 2520FF06-70 | 4015MM25-45 | 3015MM20-60 |
| Type | Bobbin Mount | Bobbin Mount | Bobbin Mount | Bobbin Mount | Bobbin Mount |
| Length | 25mm | 50mm | 20mm | ||
| Height | 15mm | 15mm | |||
| Size | 30x25mm | 50x50mm | 25x20mm | 30x15mm | |
| Deflection | 2.1 | 4.5 | 1.6 | 1.6 | 1.1 |
| Diameter | 30mm | 50mm | 25mm | ||
| Diameter Range | 26-50mm | 26-50mm | 11-25mm | ||
| Length Range | 11-25mm | 26-50mm | 11-25mm | ||
| Mount Dimension | 40mm | 30mm | |||
| Shore Hardness | 70 | 45 | 70 | ||
| Thread | M8 | M10 | M6 | M10 | M8 |
| Show More | |||||
A. The mount has a body diameter and height of 40 x 20 mm, M10 x 25 mm male threads at both ends, a maximum load rating of 41.0 kg, and a deflection figure of 1.6 mm. The rubber element is 45 Shore A hardness.
A. The 45 Shore A soft grade provides greater deflection and better vibration attenuation under load compared with harder grades. It is the preferred choice when isolating lower-frequency vibration or protecting sensitive equipment where maximum isolation matters more than load restraint.
A. This mount is suited to instruments and sensitive equipment, air-conditioning units, exhaust mountings, generator sets, and industrial machinery installations where lower-frequency vibration isolation and protection of surrounding structures are the primary requirements.
A. The mount may be loaded in shear, compression, or a combination of both, providing flexibility in installation orientation without the need for additional hardware.
A. Yes. The 40x20 mm male-male form factor is also available in 60 Shore medium-grade (4020MM25-60) and 70 Shore firm-grade (4020MM25-70). The wider range includes sizes from the compact 0808MM06 through to larger 100 mm and 100x100 mm variants for heavier loads.
A. Yes. Stainless steel metalwork, oil-resistant rubber, high-temperature rubber compounds, and additional or custom sizes are 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.
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