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

JW WINCO Thread-Locking Bearing Locknut, M40x1.5, Carbon Steel, Black Oxide - Thread-Locking Bearing Locknuts
JW WINCOThread-Locking Bearing Locknuts

JW WINCO Thread-Locking Bearing Locknut, M40x1.5, Carbon Steel, Black Oxide

The JW WINCO Bearing Locknut: Set Screws is a thread-locking bearing locknut made of carbon steel with a black oxide finish. It features an M40x1.50 bore thread size and uses M8 set screws for secure locking. This…

SKU 3G-OTH-202212

Also listed as: 18042M40X15ST · 1804 2 M40X1 5 ST · 1804-2-M40X1-5-ST

Brand
JW WINCO
Item
Thread-Locking Bearing Locknut, M40x1.5, Carbon Steel, Black Oxide
Category
Thread-Locking Bearing Locknuts
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
1804.2-M40X1.5-ST
Type
Carbon Steel, Black Oxide, M40x1.50 Bore 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 Bearing Locknut: Set Screws is a thread-locking bearing locknut made of carbon steel with a black oxide finish. It features an M40x1.50 bore thread size and uses M8 set screws for secure locking. This product is identified by manufacturer part number 1804.2-M40X1.5-ST.

Frequently Asked Questions

What is a JW WINCO bearing locknut used for?

A JW WINCO bearing locknut secures bearings onto shafts in industrial machinery. It prevents loosening under vibration and axial loads, commonly used in conveyors, pumps, gearboxes, and rotating equipment. The M40x1.50 thread and M8 set screws provide a positive lock for reliable operation.

What are the specifications of the JW WINCO bearing locknut M40x1.5?

The JW WINCO bearing locknut (MPN 1804.2-M40X1.5-ST) has an M40x1.50 bore thread size, is made of carbon steel with a black oxide finish, and uses M8 set screws for locking. It is a thread-locking type bearing locknut designed for secure shaft mounting.

Where to buy JW WINCO bearing locknuts worldwide?

You can source JW WINCO bearing locknuts worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on the M40x1.5 model (MPN 1804.2-M40X1.5-ST).

How to install a JW WINCO bearing locknut with set screws?

To install a JW WINCO bearing locknut, thread it onto the shaft by hand until snug against the bearing. Tighten the M8 set screws evenly using a hex key to lock the nut in place. Always follow the manufacturer's torque recommendations and verify the nut is seated properly before operation.

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 thread-locking bearing locknuts. 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

Compatible alternatives & equivalents

Cross-referenced by specification & description
JW WINCO Bearing Locknut: Set Screws, Carbon Steel, Black Oxide, M12x1.50 Bore Thread Size (MPN 1804.2-M12X1.5-ST)
JW WINCO
JW WINCO Bearing Locknut: Set Screws, Carbon Steel, Black Oxide, M12x1.50 Bore Thread Size (MPN 1804.2-M12X1.5-ST)
Carbon steel bearing locknut with blue passivated zinc plating and polyamide insert for self-locking action. Thread size M40x1.5, nut width 12 mm. Used to secure bearings on shafts in industrial machinery such as conveyors, pumps, and gearboxes
JW WINCO
Carbon steel bearing locknut with blue passivated zinc plating and polyamide insert for self-locking action. Thread size M40x1.5, nut width 12 mm. Used to secure bearings on shafts in industrial machinery such as conveyors, pumps, and gearboxes
Metric bearing locknut with M20x1.5 thread, conforming to DIN 1804 standard. Designed for securing bearings onto threaded shafts in industrial machinery such as conveyors, pumps, gearboxes, and machine tool spindles
JW WINCO
Metric bearing locknut with M20x1.5 thread, conforming to DIN 1804 standard. Designed for securing bearings onto threaded shafts in industrial machinery such as conveyors, pumps, gearboxes, and machine tool spindles
JW WINCO Bearing Locknut: Metric, DIN 1804, 1804 M50x1.5 Industry Std Size, For Threaded Shaft Type (MPN 1804-M50X1.5-W)
JW WINCO
JW WINCO Bearing Locknut: Metric, DIN 1804, 1804 M50x1.5 Industry Std Size, For Threaded Shaft Type (MPN 1804-M50X1.5-W)

More from JW WINCO

View all JW WINCO parts
Carbon steel bearing locknut with black oxide finish and M18x1.50 bore thread. Features M5 set screws for secure locking on shafts. Used in power transmission assemblies such as conveyors, pumps, and gearboxes to prevent loosening under vibration
JW WINCO
Carbon steel bearing locknut with black oxide finish and M18x1.50 bore thread. Features M5 set screws for secure locking on shafts. Used in power transmission assemblies such as conveyors, pumps, and gearboxes to prevent loosening under vibration
Carbon steel bearing locknut with black oxide finish and M24x1.50 bore thread. Uses M5 set screws for secure locking. Designed to retain bearings on shafts in industrial machinery such as conveyors, pumps, and gearboxes
JW WINCO
Carbon steel bearing locknut with black oxide finish and M24x1.50 bore thread. Uses M5 set screws for secure locking. Designed to retain bearings on shafts in industrial machinery such as conveyors, pumps, and gearboxes
Carbon steel bearing locknut with black oxide finish and M16x1.50 bore thread. Uses M5 set screws to lock the nut onto shafts, preventing loosening under vibration. Suitable for securing bearings in industrial machinery such as conveyors, pumps, and gearboxes
JW WINCO
Carbon steel bearing locknut with black oxide finish and M16x1.50 bore thread. Uses M5 set screws to lock the nut onto shafts, preventing loosening under vibration. Suitable for securing bearings in industrial machinery such as conveyors, pumps, and gearboxes
Carbon steel bearing locknut with black oxide finish and M22x1.50 bore thread. Uses M5 set screws for secure locking on shafts. Typical applications include securing bearings in rotating equipment such as conveyors, pumps, and gearboxes
JW WINCO
Carbon steel bearing locknut with black oxide finish and M22x1.50 bore thread. Uses M5 set screws for secure locking on shafts. Typical applications include securing bearings in rotating equipment such as conveyors, pumps, and gearboxes
Thread-locking bearing locknut with M20x1.50 bore thread, made of carbon steel with black oxide finish. Uses M5 set screws for secure locking. Commonly used to secure bearings onto shafts in industrial machinery such as conveyors, pumps, and gearboxes
JW WINCO
Thread-locking bearing locknut with M20x1.50 bore thread, made of carbon steel with black oxide finish. Uses M5 set screws for secure locking. Commonly used to secure bearings onto shafts in industrial machinery such as conveyors, pumps, and gearboxes
Carbon steel bearing locknut with black oxide finish and M14x1.50 bore thread. Equipped with M4 set screws for positive locking. Used to secure bearings on shafts in power transmission assemblies, preventing loosening under vibration and axial loads
JW WINCO
Carbon steel bearing locknut with black oxide finish and M14x1.50 bore thread. Equipped with M4 set screws for positive locking. Used to secure bearings on shafts in power transmission assemblies, preventing loosening under vibration and axial loads
Carbon steel bearing locknut with black oxide finish and M35x1.5 bore thread. Uses M6 set screws to secure bearings onto shafts, preventing loosening under vibration in industrial machinery such as conveyors, pumps, and gearboxes
JW WINCO
Carbon steel bearing locknut with black oxide finish and M35x1.5 bore thread. Uses M6 set screws to secure bearings onto shafts, preventing loosening under vibration in industrial machinery such as conveyors, pumps, and gearboxes
JW WINCO Bearing Locknut: Set Screws, Carbon Steel, Black Oxide, M30x1.50 Bore Thread Size (MPN 1804.2-M30X1.5-ST)
JW WINCO
JW WINCO Bearing Locknut: Set Screws, Carbon Steel, Black Oxide, M30x1.50 Bore Thread Size (MPN 1804.2-M30X1.5-ST)