JW WINCO Through-Hole Rubber Bumper: Cylindrical, Natural Rubber
The JW WINCO Through-Hole Rubber Bumper is a cylindrical plain bore vibration-isolating mount made from natural rubber with no thread. This SKU 420CV4 (MPN 351-20-20-8.5-B-40) provides a simple, non-threaded…
SKU 3G-OTH-598085
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Product Description
The JW WINCO Through-Hole Rubber Bumper is a cylindrical plain bore vibration-isolating mount made from natural rubber with no thread. This SKU 420CV4 (MPN 351-20-20-8.5-B-40) provides a simple, non-threaded isolation solution for industrial applications.
Frequently Asked Questions
What is a JW WINCO through-hole rubber bumper used for?
A JW WINCO through-hole rubber bumper is a plain bore vibration-isolating mount used to reduce transmitted vibration and shock in industrial machinery, pumps, and compressors. Its natural rubber construction provides effective damping and isolation in non-threaded mounting applications.
What are the specifications of the JW WINCO 351-20-20-8.5-B-40?
The JW WINCO 351-20-20-8.5-B-40 is a cylindrical through-hole rubber bumper made from natural rubber with no thread. It is a plain bore vibration-isolating mount designed for simple press-fit or bolt-through installation in industrial equipment.
Where to buy JW WINCO vibration mounts in worldwide?
3G Electric supplies JW WINCO vibration mounts worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on the 351-20-20-8.5-B-40 or other plain bore mounts.
How to install a JW WINCO through-hole rubber bumper?
Install the JW WINCO through-hole rubber bumper by inserting a bolt or rod through the center hole and securing it to the mounting surface. Ensure the natural rubber bumper is compressed evenly to achieve proper vibration isolation. Tighten to manufacturer torque specifications.
Used in
Common applications for JW WINCOJW WINCO Products
3G Electric supplies JW WINCO plain bore vibration-isolating mounts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









