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

JW WINCO Female x Non-Threaded Vibration-Isolating Mount - Female x Non-Threaded Vibration-Isolating Mounts
JW WINCOFemale x Non-Threaded Vibration-Isolating Mounts

JW WINCO Female x Non-Threaded Vibration-Isolating Mount

The JW WINCO Concave Bumper is a cylindrical vibration-isolating mount in a Female x Non-Threaded style, constructed from natural rubber with an M8 thread size (MPN 357-40-28-M8-E-40). 3G Electric interprets demand…

SKU 3G-OTH-512920

Also listed as: 3574028M8E40 · 357 40 28 M8 E 40

Brand
JW WINCO
Item
Female x Non-Threaded Vibration-Isolating Mount
Category
Female x Non-Threaded 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
357-40-28-M8-E-40
Type
Natural Rubber, Female x Non-Threaded Style, M8 Thread Size
Isolator Body Material
Natural Rubber

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 Concave Bumper is a cylindrical vibration-isolating mount in a Female x Non-Threaded style, constructed from natural rubber with an M8 thread size (MPN 357-40-28-M8-E-40). 3G Electric interprets demand and delivers this genuine industrial component across 14 departments — and far more — with specialist depth in combustion, pumps and controls as a trust anchor.

Frequently Asked Questions

What is a JW WINCO Concave Bumper used for?

A JW WINCO Concave Bumper is a cylindrical vibration-isolating mount used to dampen shock and reduce noise in industrial machinery, conveyors, and packaging equipment. Its natural rubber body absorbs vibration, protecting sensitive components and extending equipment life in demanding plant environments.

What are the specifications of the JW WINCO Concave Bumper 357-40-28-M8-E-40?

The JW WINCO Concave Bumper model 357-40-28-M8-E-40 features a natural rubber isolator body, a Female x Non-Threaded style, and an M8 thread size. It is a cylindrical vibration-isolating mount designed for secure fastening and effective vibration dampening in industrial applications.

Where to buy JW WINCO Concave Bumper worldwide?

3G Electric supplies the JW WINCO Concave Bumper worldwide, handling full logistics and customs clearance for global delivery. As a sourcing partner across 14 industrial departments, we provide genuine JW WINCO components like the 357-40-28-M8-E-40 to plant engineers and procurement teams internationally.

How to install a JW WINCO Concave Bumper?

To install a JW WINCO Concave Bumper, align the M8 threaded stud with the mounting hole and tighten to the manufacturer's recommended torque. Ensure the natural rubber body is not compressed beyond its free height. Use a thread-locking compound on metal-to-metal joints to prevent loosening under vibration.

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 female x non-threaded 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 with a female x non-threaded style. Body made of natural rubber. Used to reduce transmitted vibration from rotating or reciprocating machinery, such as pumps, compressors, and industrial equipment
JW WINCO
Cylindrical vibration-isolating mount with a female x non-threaded style. Body made of natural rubber. Used to reduce transmitted vibration from rotating or reciprocating machinery, such as pumps, compressors, and industrial equipment
Cylindrical vibration-isolating mount with a natural rubber body and female x non-threaded connection. Designed to dampen vibration and noise from rotating or reciprocating machinery such as pumps, compressors, and conveyors
JW WINCO
Cylindrical vibration-isolating mount with a natural rubber body and female x non-threaded connection. Designed to dampen vibration and noise from rotating or reciprocating machinery such as pumps, compressors, and conveyors
Cylindrical vibration-isolating mount with a natural rubber body. Female x non-threaded style for use with threaded studs or bolts. Reduces transmitted vibration from rotating or reciprocating equipment such as pumps, compressors, and industrial machinery
JW WINCO
Cylindrical vibration-isolating mount with a natural rubber body. Female x non-threaded style for use with threaded studs or bolts. Reduces transmitted vibration from rotating or reciprocating equipment such as pumps, compressors, and industrial machinery
This vibration-isolating mount features a Buna-N body material in a flat conical shape. It has a male x non-threaded style with M10 thread size. Used to reduce vibration transmission in machinery such as pumps, compressors, and HVAC equipment
JW WINCO
This vibration-isolating mount features a Buna-N body material in a flat conical shape. It has a male x non-threaded style with M10 thread size. Used to reduce vibration transmission in machinery such as pumps, compressors, and HVAC equipment
This vibration-isolating mount features a natural rubber isolator body in a female x non-threaded style. It is used to dampen vibration and reduce noise transmission in industrial equipment such as pumps, compressors, and machinery
JW WINCO
This vibration-isolating mount features a natural rubber isolator body in a female x non-threaded style. It is used to dampen vibration and reduce noise transmission in industrial equipment such as pumps, compressors, and machinery
This vibration-isolating mount features a flat conical Buna-N body with a female x non-threaded style connection. It is used to reduce transmitted vibration and dampen noise from industrial machinery such as pumps, compressors, and HVAC equipment
JW WINCO
This vibration-isolating mount features a flat conical Buna-N body with a female x non-threaded style connection. It is used to reduce transmitted vibration and dampen noise from industrial machinery such as pumps, compressors, and HVAC equipment
This vibration-isolating mount features a flat conical Buna-N body with a female x non-threaded style. It is used to reduce transmitted vibration and noise from rotating or reciprocating equipment such as pumps, compressors, and machinery. The Buna-N material provides good resistance to oils and moderate temperatures
JW WINCO
This vibration-isolating mount features a flat conical Buna-N body with a female x non-threaded style. It is used to reduce transmitted vibration and noise from rotating or reciprocating equipment such as pumps, compressors, and machinery. The Buna-N material provides good resistance to oils and moderate temperatures
Cylindrical vibration-isolating mount with a natural rubber body and female x non-threaded style. Designed to dampen vibration and reduce noise in industrial machinery such as pumps, compressors, and conveyors
JW WINCO
Cylindrical vibration-isolating mount with a natural rubber body and female x non-threaded style. Designed to dampen vibration and reduce noise in industrial machinery such as pumps, compressors, and conveyors