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 420CR8 (MPN 351-100-80-21-B-40) provides a simple, non-threaded…
SKU 3G-OTH-597909
Need installation or engineering help?
Ask a question
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 420CR8 (MPN 351-100-80-21-B-40) provides a simple, non-threaded isolation solution for industrial equipment.
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 dampen vibration and reduce noise in industrial equipment. Its cylindrical natural rubber design provides a simple, non-threaded isolation solution for machinery, conveyors, and other plant applications.
What are the specifications of the JW WINCO 351-100-80-21-B-40 rubber bumper?
The JW WINCO 351-100-80-21-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 straightforward installation without threaded fasteners, suitable for light to medium industrial isolation needs.
Where to buy JW WINCO rubber bumpers worldwide?
3G Electric supplies JW WINCO rubber bumpers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us to source the 351-100-80-21-B-40 or other vibration-isolating mounts for your application.
How to install a JW WINCO through-hole rubber bumper?
To install a JW WINCO through-hole rubber bumper, simply insert a bolt or rod through the plain bore and secure it to the equipment base. Ensure the mounting surface is clean and flat. Tighten to a snug fit without over-compressing the natural rubber to maintain effective vibration isolation.
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.









