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 420CR9 (MPN 351-100-40-21-B-40) provides a simple, non-threaded…
SKU 3G-OTH-598061
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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 420CR9 (MPN 351-100-40-21-B-40) provides a simple, non-threaded isolation solution for industrial applications.
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 through-hole rubber bumper used for?
A JW WINCO through-hole rubber bumper is a plain bore vibration-isolating mount used in industrial equipment to dampen vibration and reduce noise. Its cylindrical natural rubber design with no thread provides a simple, non-threaded isolation solution for machinery, pumps, and compressors across 14 industrial departments.
What are the specifications of the JW WINCO 351-100-40-21-B-40 rubber bumper?
The JW WINCO 351-100-40-21-B-40 is a cylindrical through-hole rubber bumper made from natural rubber with no thread. It is a plain bore vibration-isolating mount, SKU 420CR9, designed for straightforward industrial vibration control without threaded fasteners.
Where to buy JW WINCO rubber bumpers worldwide?
3G Electric supplies JW WINCO rubber bumpers worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source genuine parts like the 351-100-40-21-B-40 and deliver to your facility, ensuring compliance with international shipping requirements.
How to install a JW WINCO through-hole rubber bumper?
To install a JW WINCO through-hole rubber bumper, insert a bolt or rod through the plain bore and secure it to the mounting surface. Ensure the natural rubber is not over-compressed. Tighten fasteners to manufacturer torque specs to maintain effective vibration isolation without damaging the bumper.
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.









