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Male-Male Bobbin Mount 40x28mm M10 60 Shore - 4028MM25-60
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Technical Specification
PRODUCT NUMBER 4030MF25-602510MM18-704030FF10-604030MF23-604030FF08-60
Type Bobbin MountBobbin MountBobbin MountBobbin MountBobbin Mount
Length 30mm10mm30mm
Height 30mm30mm
Size 40x30mm25x10mm40x30mm40x30mm40x30mm
Deflection 2.60.72.62.62.6
Diameter 40mm25mm40mm
Diameter Range 26-50mm11-25mm26-50mm
Length Range 26-50mmUp to 10mm26-50mm
Mount Dimension 40mm
Shore Hardness 607060
Thread M10M6M10M8M8
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Q 1. What is the maximum load and deflection rating for the 4028MM25-60?

A. This mount has a maximum load rating of 65.0 kg and a deflection of 2.4 mm.

Q 2. What do the thread dimensions on this bobbin mount mean?

A. The thread specification is M10 x 25 mm, indicating a 10 mm metric thread with a 25 mm stud length on each face of the mount.

Q 3. What is the overall size of this bobbin mount?

A. The mount measures 40 mm in diameter by 28 mm in height.

Q 4. Why choose a 60 Shore A grade rather than a softer or harder bobbin mount?

A. A 60 Shore A medium grade balances vibration isolation with load-carrying capacity. Softer grades such as 45 Shore A offer greater deflection and better isolation at lower loads, whilst harder grades such as 70 Shore A carry higher loads with less movement. The 60 Shore A grade is suited to the broad middle ground of general machinery mounting at moderate loads.

Q 5. In which loading modes can this mount be used?

A. This mount may be loaded in shear, compression, or a combination of both, giving flexibility in mounting orientation.

Q 6. What types of machinery and equipment is this mount suited to?

A. Typical applications include generator sets, industrial machinery and equipment, diesel engines, exhaust mountings, and air-conditioning units, across industries including power generation, agriculture, construction and off-highway, marine, automotive, and railway and mass transit.

Q 7. Are other Shore hardness grades available in this 40x28mm male-male bobbin size?

A. Yes — this geometry is also available in 45 Shore A (SKU: 4028MM25-45) for greater compliance and isolation, and 70 Shore A (SKU: 4028MM25-70) for higher load and reduced deflection.

Q 8. Are custom materials available for this mount?

A. Yes — stainless steel metalwork and oil-resistant or high-temperature rubber compounds are available on request.

Q 9. When will my order be dispatched?

A. In-stock orders placed before 14:30 Monday to Friday are usually dispatched the same day.

Q 10. When will my order be dispatched?

A. In-stock orders placed before 14:30 Monday to Friday are usually dispatched the same day.

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