JW WINCO Concave Bumper: Cylindrical, Natural Rubber, Female x Non-Threaded Style
The JW WINCO Concave Bumper is a cylindrical vibration-isolating mount in a Female x Non-Threaded style, constructed from natural rubber with an M8 thread size (MPN 357-40-28-M8-E-55). 3G Electric interprets customer…
SKU 3G-OTH-512912
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Product Description
The JW WINCO Concave Bumper is a cylindrical vibration-isolating mount in a Female x Non-Threaded style, constructed from natural rubber with an M8 thread size (MPN 357-40-28-M8-E-55). 3G Electric interprets customer demand and delivers this genuine industrial component across 14 departments — and far more — with specialist depth in combustion, pumps and controls as an authorised distributor for brands including FBR, Interpump, Riello, Beckett, Schneider, ABB, Siemens, SKF, Festo and Fluke.
Frequently Asked Questions
What is a JW WINCO Concave Bumper used for?
The JW WINCO Concave Bumper is a cylindrical vibration-isolating mount used to reduce transmitted vibration and shock in industrial machinery, pumps, and compressors. Its natural rubber body absorbs dynamic loads, protecting sensitive equipment and extending service life across manufacturing, HVAC, and material handling applications.
What are the specifications of the JW WINCO Concave Bumper 357-40-28-M8-E-55?
This JW WINCO mount has a natural rubber isolator body, a female x non-threaded style, and an M8 thread size. The manufacturer part number is 357-40-28-M8-E-55. It is designed for cylindrical vibration isolation in industrial equipment where durable, flexible damping is required.
Where to buy JW WINCO Concave Bumper 357-40-28-M8-E-55 worldwide?
3G Electric supplies the JW WINCO Concave Bumper 357-40-28-M8-E-55 worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for a quote and lead time on this genuine component.
How to select the right JW WINCO vibration-isolating mount?
To select the correct JW WINCO mount, match the thread size (M8), style (female x non-threaded), and load capacity to your equipment's vibration profile. Natural rubber suits general industrial damping. For application-specific guidance, consult 3G Electric's specialists who interpret your demand and source the right part.
Used in
Common applications for JW WINCOJW WINCO Products
3G Electric supplies JW WINCO female x non-threaded vibration-isolating mounts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









