Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

JW WINCO Reinforced Through-Hole Rubber Bumper: Cylindrical, Natural Rubber - Plain Bore Vibration-Isolating Mounts
JW WINCOPlain Bore Vibration-Isolating Mounts

JW WINCO Reinforced Through-Hole Rubber Bumper: Cylindrical, Natural Rubber

The JW WINCO Reinforced Through-Hole Rubber Bumper is a cylindrical Plain Bore Vibration-Isolating Mount made from Natural Rubber with No Thread thread size (MPN 351-50-30-21-DD-55). 3G Electric sources this genuine…

SKU 3G-OTH-597915

Also listed as: 351503021DD55 · 351 50 30 21 DD 55

Brand
JW WINCO
Item
Reinforced Through-Hole Rubber Bumper: Cylindrical, Natural Rubber
Category
Plain Bore Vibration-Isolating Mounts
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

JW WINCO
Manufacturer Part Number
351-50-30-21-DD-55
Type
Natural Rubber, No Thread Thread Size

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

JW WINCO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The JW WINCO Reinforced Through-Hole Rubber Bumper is a cylindrical Plain Bore Vibration-Isolating Mount made from Natural Rubber with No Thread thread size (MPN 351-50-30-21-DD-55). 3G Electric sources this genuine industrial component across 14 departments, with specialist expertise in vibration-control solutions.

Frequently Asked Questions

What is a JW WINCO Reinforced Through-Hole Rubber Bumper used for?

This cylindrical plain bore vibration-isolating mount reduces transmitted vibration and shock in industrial machinery, pumps, and compressors. It is made from natural rubber with no thread, providing a simple press-fit installation for equipment requiring durable damping and alignment support.

What are the specifications of the JW WINCO 351-50-30-21-DD-55 rubber bumper?

The JW WINCO 351-50-30-21-DD-55 is a reinforced through-hole rubber bumper made from natural rubber with no thread thread size. It is a cylindrical plain bore vibration-isolating mount designed for press-fit applications where threaded fasteners are not required.

Where to buy JW WINCO rubber bumpers worldwide?

3G Electric supplies and delivers genuine JW WINCO reinforced through-hole rubber bumpers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on the MPN 351-50-30-21-DD-55 or other vibration-isolating mounts.

How to install a JW WINCO plain bore vibration-isolating mount?

Install the JW WINCO rubber bumper by pressing it into a properly sized through-hole in the mounting surface. Ensure the hole is clean and free of burrs. The natural rubber compound provides friction fit; no threading or additional hardware is needed. Verify alignment before final assembly.

Used in

Common applications for JW WINCO
Machinery assembly — JW WINCO self-locking bearing locknuts (e.g., 1804.1-M50X1.5) for securing bearings on shafts in gearboxes and conveyors.
Fixture building — JW WINCO horizontal U-latch toggle clamps (e.g., 851.3-700-T6) for quick clamping in welding jigs and assembly fixtures.
Material handling — JW WINCO quick-release hoist rings (e.g., 1135-M12-17-ST) for lifting heavy components in manufacturing cells.
Shaft positioning — JW WINCO one-piece shaft collars (e.g., 5WG46/A) for retaining bearings or acting as stops on linear motion systems.
Linkage systems — JW WINCO stainless steel clevis rod ends (e.g., 8NXBIS) for connecting pneumatic cylinders or actuators in automated equipment.
Clamping arm extension — JW WINCO rigid clamping arm extenders (e.g., 801.1-85-16-ST) for increasing reach on toggle clamps in custom fixtures.

JW 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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

More from JW WINCO

View all JW WINCO parts
Cylindrical plain bore vibration-isolating mount made from natural rubber. Provides basic vibration damping for industrial equipment such as conveyors, pumps, and compressors. No thread thread size
JW WINCO
Cylindrical plain bore vibration-isolating mount made from natural rubber. Provides basic vibration damping for industrial equipment such as conveyors, pumps, and compressors. No thread thread size
This plain bore vibration-isolating mount is made from natural rubber and has no thread. It is used to reduce transmitted vibration and shock in industrial machinery, pumps, and compressors. The cylindrical design allows for straightforward press-fit or bolt-through installation
JW WINCO
This plain bore vibration-isolating mount is made from natural rubber and has no thread. It is used to reduce transmitted vibration and shock in industrial machinery, pumps, and compressors. The cylindrical design allows for straightforward press-fit or bolt-through installation
Cylindrical vibration-isolating mount made from natural rubber with a plain bore for press-fit installation. Designed to dampen vibration and reduce noise in industrial machinery, material handling, and similar equipment. No thread
JW WINCO
Cylindrical vibration-isolating mount made from natural rubber with a plain bore for press-fit installation. Designed to dampen vibration and reduce noise in industrial machinery, material handling, and similar equipment. No thread
Cylindrical vibration-isolating mount made of Buna-N rubber with a plain bore design. Thread size is 0.51 in. Used to reduce vibration transmission in industrial equipment such as pumps, compressors, and material handling machinery
JW WINCO
Cylindrical vibration-isolating mount made of Buna-N rubber with a plain bore design. Thread size is 0.51 in. Used to reduce vibration transmission in industrial equipment such as pumps, compressors, and material handling machinery
Cylindrical vibration-isolating mount made from natural rubber with a plain bore and no thread. Designed to reduce transmitted vibration and shock in industrial equipment such as machinery, pumps, and compressors where threaded fasteners are not required
JW WINCO
Cylindrical vibration-isolating mount made from natural rubber with a plain bore and no thread. Designed to reduce transmitted vibration and shock in industrial equipment such as machinery, pumps, and compressors where threaded fasteners are not required
Cylindrical vibration-isolating mount made from natural rubber with a plain bore and no thread. Reduces transmitted vibration in industrial machinery, pumps, compressors, and other equipment mounting applications. Suitable for use in manufacturing, HVAC, and material handling systems
JW WINCO
Cylindrical vibration-isolating mount made from natural rubber with a plain bore and no thread. Reduces transmitted vibration in industrial machinery, pumps, compressors, and other equipment mounting applications. Suitable for use in manufacturing, HVAC, and material handling systems
Cylindrical vibration-isolating mount made from natural rubber with a plain bore (no thread). Designed to dampen shock and reduce noise in industrial machinery, conveyors, and pumps. Suitable for press-fit or bolt-through installation
JW WINCO
Cylindrical vibration-isolating mount made from natural rubber with a plain bore (no thread). Designed to dampen shock and reduce noise in industrial machinery, conveyors, and pumps. Suitable for press-fit or bolt-through installation
Cylindrical vibration-isolating mount made of natural rubber with a plain bore and no thread. Designed for press-fit or bolt-through installation to reduce vibration and noise in industrial machinery, pumps, and compressors
JW WINCO
Cylindrical vibration-isolating mount made of natural rubber with a plain bore and no thread. Designed for press-fit or bolt-through installation to reduce vibration and noise in industrial machinery, pumps, and compressors