Mackay Interlocked MD isolator for engines, load 130
Available
Mackay MD flange isolator is a high-damping mount that works as an anti vibration mount and as an engine stabiliser. Its special rubber mix gives a high degree of anti vibration isolation and great stability to suspended equipment, and lists the MD as a replacement for RAB isolators.
Available as four part numbers rated 50, 70, 105 and 130kg: M135219, M135213, M135212 and M135210. All share one base: 93mm long with two 9.5mm holes 76mm apart, a height of 34mm, an M12 thread and a weight of 0.23kg each.
Where this product is used
- Insulating engines that produce high-amplitude vibrations: engines from 1 to 3 cylinders, motor pumps, gensets, compressors and ventilators
- Suspending small 1, 2 and 3 cylinder engines, which are particularly unstable
- Suspending machines that are started and stopped a lot, or that need a high degree of damping to pass through resonance, or that work close to the resonance frequency of the system
- Diesel engines, require MD mounts, particularly when they have few large-diameter cylinders and so create high-amplitude vibrations that need extra damping
- Equipment where conventional rubber-metal mounts do not give enough stability to the suspended equipment
Features
- Metal hood protects the part from possible oil splashes
- Electrolytic coating protects the part from corrosion
- Interlocking metal component gives fail-safe protection for mobile applications by limiting upward vertical movement when the mount is shocked in traction
- High-damping elastic compound for a high degree of anti vibration isolation
- M12 thread, with a 93mm long base and two 9.5mm mounting holes
Key specifications
| Specification | Detail |
|---|---|
| Brand | Mackay |
| Product type | Flange Vibration Isolator |
| Base length | 93mm |
| Hole spacing | 76mm |
| Mounting hole diameter | 9.5mm |
| Height | 34mm |
| Top diameter (side view) | 47mm |
| Head diameter (plan view) | 64mm |
| Base plate thickness | 2.5mm |
| Thread | M12 |
| Weight | 0.23kg each |
| Load range | 50 to 130kg across the four part numbers |
| Mackay part number | M135210, M135212, M135213, M135219 |
| Load (kg) | 50 to 130 |
| Deflection (mm) | 3.5, 3.0 |
| Weight (kg) | 0.23 |
Choosing the right option
Choose by load. Then check the base against your supporting steelwork: two 9.5mm holes, 76mm apart, 93mm overall length, and an M12 thread for the fixing into the top. The MD is used where conventional rubber-metal mounts do not give the suspended equipment enough stability.
Related Mackay products: Mackay BRB Flange Isolator - Small, Mackay BRB Flange Isolator - Medium, Mackay BRB Flange Isolator - Large, Mackay BRB Flange Isolator - Xlarge.
| Option | SKU |
|---|---|
| 50 | A0166985 |
| 70 | A0166984 |
| 105 | A0166983 |
| 130 | A0166982 |
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Mackay MD Flange Isolator Interlocked: 130
SKU: A0166982 | Model: M135210
Mackay M135210: MD interlocked flange isolator, 130kg load, 3.5mm deflection, M12 thread, 0.23kg. Base length: 93mm, Hole spacing: 76mm.

