JW WINCO Concave Bumper: Cylindrical, Natural Rubber, Male x Non-Threaded Style
The JW WINCO Concave Bumper is a cylindrical, male x non-threaded vibration-isolating mount made from natural rubber, with an M8 thread size (MPN 357-40-28-M8-S-40). 3G Electric interprets demand and delivers this…
SKU 3G-OTH-524281
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Product Description
The JW WINCO Concave Bumper is a cylindrical, male x non-threaded vibration-isolating mount made from natural rubber, with an M8 thread size (MPN 357-40-28-M8-S-40). 3G Electric interprets demand and delivers this isolator across 14 industrial departments — and we supply far more than is listed — with specialist depth in combustion, pumps and controls as a trust anchor.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is a JW WINCO Concave Bumper used for?
The JW WINCO Concave Bumper is a 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 across machining, material handling, and HVAC applications.
What are the specifications of the JW WINCO Concave Bumper 357-40-28-M8-S-40?
This JW WINCO isolator has a cylindrical natural rubber body, male x non-threaded style, and M8 thread size. The isolator body material is natural rubber. The manufacturer part number is 357-40-28-M8-S-40. It is designed for vibration damping in industrial mounting applications.
Where to buy JW WINCO Concave Bumper 357-40-28-M8-S-40 worldwide?
3G Electric supplies the JW WINCO Concave Bumper 357-40-28-M8-S-40 worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us to source this vibration-isolating mount for your application.
How to install a JW WINCO Concave Bumper?
Install the JW WINCO Concave Bumper by threading the M8 male stud into a matching threaded hole on the equipment base. Tighten to the manufacturer's recommended torque. Ensure the natural rubber body is not compressed beyond its free height to maintain effective vibration isolation.
Used in
Common applications for JW WINCOJW WINCO Products
3G Electric supplies JW WINCO male 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.









