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Female Flat Buffer 40x40mm M8 45 Shore - 4040FFB08-45
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Sealey FWA817 Flat Washer DIN 125 M8 x 17mm Form A Zinc Pack of 100
Total Price: £19.70 ADD ALL two TO CART
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Technical Specification
PRODUCT NUMBER 2517FFB06-603012MFB20-453025MFB20-604040MFB23-454040MFB25-45
Type Flat BufferFlat BufferFlat BufferFlat BufferFlat Buffer
Length 17mm12mm40mm40mm
Height 25mm
Size 25x17mm30x12mm30x25mm40x40mm40x40mm
Deflection 4.253.256.251010
Diameter 25mm30mm40mm40mm
Diameter Range 11-25mm26-50mm26-50mm26-50mm
Length Range 11-25mm11-25mm26-50mm26-50mm
Shore Hardness 60454545
Thread M6M8M8M8M10
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Q 1. What is the maximum load and deflection for the 4040FFB08-45?

A. This buffer has a maximum load rating of 99.0 kg and a maximum deflection of 10 mm, making it suited to lighter-duty installations where a high degree of movement and isolation is required.

Q 2. Why choose 45 Shore A rather than a harder grade?

A. Softer rubber grades yield greater deflection and deliver better vibration isolation at lower loads. The 45 Shore A grade is the appropriate selection when isolating sensitive or lightly loaded equipment from vibration is the primary requirement, rather than restraining movement under heavy or shock loading.

Q 3. What thread size does this female flat buffer use?

A. The buffer features an M8 female thread, which accepts standard M8 fasteners for straightforward installation.

Q 4. What are the dimensions of this buffer?

A. The buffer measures 40 mm diameter by 40 mm height (D x H: 40 x 40 mm).

Q 5. What industries and applications is this buffer suited to?

A. This buffer is used across construction equipment, agricultural machinery, industrial plant, elevators, commercial vehicles, marine auxiliary equipment, and power-generation ancillaries — particularly where lower-frequency vibration isolation and protection of sensitive components is the priority.

Q 6. How does this buffer absorb vibration?

A. The rubber-to-metal bonded construction absorbs and dissipates energy on contact, cushioning machinery against impact shocks and acting as an elastic element between components. It can be loaded in compression, shear, or a combination of both.

Q 7. Are other Shore A hardness grades available in the 40x40mm M8 flat buffer size?

A. Yes — firmer grades are available: 60 Shore A (4040FFB08-60) and 70 Shore A (4040FFB08-70). Harder grades carry higher loads with less deflection and are suited to heavier-duty or greater-restraint duties.

Q 8. Are custom rubber compounds or metalwork options available?

A. Yes — stainless steel metalwork and oil-resistant or high-temperature rubber compounds, as well as additional and custom sizes, are available on request.

Q 9. Can I ask questions about this product before ordering?

A. Yes — WhatsApp us on 07754 288583 with any questions about specifications, suitability, or compatibility.

Q 10. Can I ask questions about this product before ordering?

A. Yes — WhatsApp us on 07754 288583 with any questions about specifications, suitability, or compatibility.

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