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 420CU2 (MPN 351-40-30-13.5-B-40) provides a simple, non-threaded…
SKU 3G-OTH-598074
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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 420CU2 (MPN 351-40-30-13.5-B-40) provides a simple, non-threaded isolation solution for industrial equipment.
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 to reduce transmitted vibration and shock in industrial equipment. Its cylindrical natural rubber design provides a simple, non-threaded isolation solution for machinery, pumps, and compressors where threaded fasteners are not required.
What are the specifications of the JW WINCO 351-40-30-13.5-B-40 rubber bumper?
The JW WINCO 351-40-30-13.5-B-40 is a cylindrical through-hole rubber bumper made from natural rubber with no thread. It is a plain bore vibration-isolating mount, SKU 420CU2, designed for non-threaded isolation applications in industrial equipment.
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 and customs clearance to deliver genuine JW WINCO parts to your facility. Contact us for availability and lead time on the 351-40-30-13.5-B-40 or other plain bore mounts.
How to install a JW WINCO through-hole rubber bumper?
Install a JW WINCO through-hole rubber bumper by inserting a bolt or rod through the plain bore and securing it to the equipment base. Ensure the mount is compressed evenly to isolate vibration. Use a washer on both sides to prevent pull-through. Torque to manufacturer recommendations for the specific application.
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.









