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 420CR1 (MPN 351-20-30-8.5-B-55) provides a simple, non-threaded…
SKU 3G-OTH-598057
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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 420CR1 (MPN 351-20-30-8.5-B-55) 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 for light to medium loads in equipment mounting applications.
What are the specifications of the JW WINCO 351-20-30-8.5-B-55 rubber bumper?
The JW WINCO 351-20-30-8.5-B-55 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 without threaded fasteners.
Where to buy JW WINCO rubber bumpers worldwide?
3G Electric supplies JW WINCO rubber bumpers worldwide. We handle full logistics, customs clearance, and delivery to your site. As a global industrial sourcing partner, we provide genuine JW WINCO parts like the 351-20-30-8.5-B-55 for vibration isolation applications.
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 plain bore and securing it to the mounting surface. Ensure the bumper is compressed evenly to achieve proper vibration isolation. Use a washer to distribute load and prevent over-compression of the natural rubber.
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.









