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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: 4020MF23-70
Variations
With a rated maximum load of 109.0 kg with a controlled deflection of just 1.6 mm, the 4020MF23-70 is a 70 Shore A male-female bobbin mount engineered for applications where firm restraint and minimal movement under load are the primary requirements. The 40 mm diameter by 20 mm height envelope accepts M8 male (d1 x L: M8 x 23) and M8 female (d2) threads, making it straightforward to integrate into existing bolt patterns on heavier machinery and equipment. The 70 Shore A rubber compound sits at the firm end of the hardness scale, delivering the highest load capacity and least deflection in the 40x20 geometry. Rubber-to-metal bonded construction ensures structural integrity under the combination of shear, compression, and combined loading typical of demanding industrial environments. Where shock and impact inputs are a routine concern, diesel engines, generator sets, and heavy industrial machinery. This grade provides the resistance needed to keep equipment positioned accurately and protect surrounding structures from transmitted force. Among the industries served by this mount family are power generation, construction and off-highway, agriculture, marine, and railway and mass transit. The standard steel construction is suited to mainstream general-machinery mounting; for installations requiring stainless steel fittings or oil-resistant and high-temperature rubber compounds, custom variants are available on request. This mount is offered across a range of sizes and Shore hardness grades to suit varied load and isolation 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) | 70 |
|---|---|
| Body diameter D (mm) | 40 |
| Overall height H (mm) | 20 |
| Stud thread d1 | M8 |
| Stud length L (mm) | 23 |
| Diameter / thread d2 (mm) | M8 |
| Max load (kg) | 109 |
| 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 | 5050FF10-70 | 6036MF25-45 | 6036MF37-45 | 5035MM25-60 | 6030MM25-45 |
| Type | Bobbin Mount | Bobbin Mount | Bobbin Mount | Bobbin Mount | Bobbin Mount |
| Length | 50mm | 36mm | 36mm | 30mm | |
| Height | 35mm | ||||
| Size | 50x50mm | 60x36mm | 60x36mm | 50x35mm | 60x30mm |
| Deflection | 4.5 | 3.1 | 3.1 | 3 | 2.5 |
| Diameter | 50mm | 60mm | 60mm | 60mm | |
| Diameter Range | 26-50mm | 51-100mm | 51-100mm | 51-100mm | |
| Length Range | 26-50mm | 26-50mm | 26-50mm | 26-50mm | |
| Mount Dimension | 50mm | ||||
| Shore Hardness | 70 | 45 | 45 | 45 | |
| Thread | M10 | M10 | M12 | M10 | M10 |
| Show More | |||||
A. This mount is rated to a maximum load of 109.0 kg, with a deflection of 1.6 mm at that load.
A. The mount body measures 40 mm diameter by 20 mm height (D x H). The male stud is M8 with a thread length of 23 mm (d1 x L: M8 x 23) and the female thread is M8 (d2: M8).
A. The 70 Shore A grade carries the highest load and produces the least deflection in the 40x20 M8 range. Harder grades are the correct choice where equipment must be held firmly, where shock and impact loads are present, or where load per mounting point is at the upper end of the range. Softer grades — 45 Shore A (4020MF23-45) and 60 Shore A (4020MF23-60) — offer greater deflection and improved isolation at lower loads.
A. The mount may be loaded in shear, compression, or a combination of the two, as with the male-female bobbin family generally.
A. Applications include diesel engines, generator sets, air-conditioning units, exhaust mountings, instruments, and general industrial machinery and equipment. Industries served include power generation, construction and off-highway, agriculture, marine, railway and mass transit, automotive, and military and defence.
A. Yes. Stainless steel metal components and oil-resistant or high-temperature rubber compounds are available on request, along with additional and custom sizes.
A. Yes. Related variants include the 45 Shore A and 60 Shore A versions of this 40x20 M8 configuration (4020MF23-45 and 4020MF23-60), the 4020MF25-70, and larger formats including 100100MF44, 10050MF44, 10055MF44, 10060MF44, 10075MF44, and 1008MF10.
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. 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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