EXW Singapore — collect or forward from our Singapore office.

3G Electric
JW WINCO Plain Bore Vibration-Isolating Mount - Plain Bore Vibration-Isolating Mounts
JW WINCOPlain Bore Vibration-Isolating Mounts

JW WINCO Plain Bore Vibration-Isolating Mount

The JW WINCO Through-Hole Rubber Bumper is a cylindrical plain bore vibration-isolating mount made from natural rubber with no thread. This SKU 351-20-30-8.5-B-55 (MPN 351-20-30-8.5-B-55) provides a simple…

SKU 3G-OTH-598057

Also listed as: 351203085B55 · 351 20 30 8 5 B 55 · 351-20-30-8-5-B-55

Brand
JW WINCO
Item
Plain Bore Vibration-Isolating Mount
Part Number
351-20-30-8.5-B-55
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.
EXW Singapore
Collect or forward from our office
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

JW WINCO
Manufacturer Part Number
351-20-30-8.5-B-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 Through-Hole Rubber Bumper is a cylindrical plain bore vibration-isolating mount made from natural rubber with no thread. This SKU 351-20-30-8.5-B-55 (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 WINCO
Hydraulic power units — JW Winco filter breather vents (e.g., SKU 912HX4) with 3/4" SAE thread and 10-micron filtration for air exchange on reservoirs.
Gearbox and compressor mounting — JW Winco cylindrical vibration-isolating mounts (e.g., SKU 802C02) with 55A durometer natural rubber to reduce transmitted vibration.
Industrial machinery adjustment — JW Winco knurled knobs (e.g., SKU 822Y21) with M6 steel thread insert for manual clamping and positioning on jigs and fixtures.
Fluid drainage in reservoirs — JW Winco fluid drain valves (e.g., SKU 912HP9) with M16x1.5 mounting thread and tethered cap for controlled draining of hydraulic tanks.
Corrosive environment fastening — JW Winco stainless steel wing knobs (e.g., SKU 822W63) with 1/4"-20 threaded hole for frequent manual adjustment in wet or chemical-exposed areas.
Metric and inch thread applications — JW Winco knurled knobs (e.g., SKU 822Y18) with 3/8"-16 thread for equipment requiring inch-based manual fastening.
Not sure this is the right part? Photo-identify it→

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 vibration-isolating mount made from natural rubber with a plain bore and no thread. Used to reduce transmitted vibration and noise in industrial equipment such as machinery, pumps, and compressors
JW WINCO
Cylindrical vibration-isolating mount made from natural rubber with a plain bore and no thread. Used to reduce transmitted vibration and noise in industrial equipment such as machinery, pumps, and compressors
Cylindrical vibration-isolating mount made from natural rubber with a plain bore and no thread. Designed to dampen vibration and reduce noise in industrial equipment such as machinery and conveyors
JW WINCO
Cylindrical vibration-isolating mount made from natural rubber with a plain bore and no thread. Designed to dampen vibration and reduce noise in industrial equipment such as machinery and conveyors
Cylindrical vibration-isolating mount made from natural rubber with a plain bore for press-fit or through-bolt installation. Designed to dampen vibration and reduce noise in industrial equipment such as machinery, pumps, and conveyors
JW WINCO
Cylindrical vibration-isolating mount made from natural rubber with a plain bore for press-fit or through-bolt installation. Designed to dampen vibration and reduce noise in industrial equipment such as machinery, pumps, and conveyors
Cylindrical plain bore mount made from natural rubber with no thread. Designed for press-fit installation to dampen vibration and reduce noise in industrial equipment such as pumps, compressors, and machinery where threaded fasteners are not required
JW WINCO
Cylindrical plain bore mount made from natural rubber with no thread. Designed for press-fit installation to dampen vibration and reduce noise in industrial equipment such as pumps, compressors, and machinery where threaded fasteners are not required
This cylindrical plain bore mount is made from natural rubber and features no thread. It is used to dampen vibration and reduce noise in industrial equipment such as machining, material handling, and instrumentation applications
JW WINCO
This cylindrical plain bore mount is made from natural rubber and features no thread. It is used to dampen vibration and reduce noise in industrial equipment such as machining, material handling, and instrumentation applications
Cylindrical vibration-isolating mount made from natural rubber with a plain bore and no thread. Used to dampen vibration and reduce noise in industrial equipment such as machinery, pumps, and compressors
JW WINCO
Cylindrical vibration-isolating mount made from natural rubber with a plain bore and no thread. Used to dampen vibration and reduce noise in industrial equipment such as machinery, pumps, and compressors

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first