STANDARD LOCKNUTWithdrawal Sleeve Assemblies

STANDARD LOCKNUT Withdrawal Sleeve Assembly SNW3128

The STANDARD LOCKNUT Bearing Adapter Sleeve Assembly, model SNW3128, is a withdrawal sleeve assembly made of steel. It has a bore diameter of 4 15/16 inches and is compatible with lock nut N028. The manufacturer part…

SKU 3G-OTH-97074

Also listed as: 3128X4938 · 3128X4 938 · 3128X4-938

Brand

STANDARD LOCKNUT

Item

Withdrawal Sleeve Assembly SNW3128

Part Number

3128X4.938

Local availability & support

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

Technical Specifications

STANDARD LOCKNUT

Manufacturer Part Number

3128X4.938 

Type

3128X4.938, Inch 

Material

Steel 

Bore Dia

4 15/16 in 

Industry Number

SNW3128 

Compatible Lock Nut

N028 

Technical Documents

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STANDARD LOCKNUT Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Frequently Asked Questions

What is a STANDARD LOCKNUT SNW3128 bearing adapter sleeve assembly used for?

The SNW3128 is a withdrawal sleeve assembly used to mount bearings onto shafts with a tapered seat. It simplifies installation and removal of bearings in industrial machinery such as conveyors, pumps, and gearboxes, ensuring secure fit and easy maintenance.

What are the specifications of the STANDARD LOCKNUT SNW3128?

The SNW3128 has a bore diameter of 4 15/16 inches, is made of steel, and is compatible with lock nut N028. Its industry number is SNW3128, and the manufacturer part number is 3128X4.938. It is an inch-series withdrawal sleeve assembly from STANDARD LOCKNUT.

Where to buy a STANDARD LOCKNUT SNW3128 worldwide?

3G Electric supplies the STANDARD LOCKNUT SNW3128 bearing adapter sleeve assembly to customers worldwide. We handle full logistics, customs clearance, and delivery, ensuring you receive the correct part for your application. Contact us for availability and lead time.

How to install a STANDARD LOCKNUT SNW3128 withdrawal sleeve?

To install the SNW3128, clean the shaft and sleeve bore, then slide the sleeve onto the shaft. Use the compatible lock nut N028 to tighten the assembly, drawing the bearing onto the tapered seat. Follow standard bearing mounting practices and torque specifications for secure fit.

Used in

Common applications for STANDARD LOCKNUT

Conveyor systems — STANDARD LOCKNUT KM series metric locknuts secure bearings on drive and idler shafts to prevent axial movement under continuous load.

Industrial pumps — Inch-series N and AN locknuts with lock washers maintain bearing preload in centrifugal and positive displacement pumps.

Gearboxes — STANDARD LOCKNUT locknuts and washers retain bearings on input and output shafts, resisting vibration and torque fluctuations.

Rotating equipment — Withdrawal sleeves and locknuts facilitate bearing mounting and dismounting on tapered shafts in motors and fans.

Machine tools — Precision locknuts maintain spindle bearing preload for accuracy and rigidity in machining operations.

Automotive assembly — Locknuts secure wheel hub bearings, with lock washers preventing loosening under dynamic loads.

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STANDARD LOCKNUT Products

3G Electric supplies STANDARD LOCKNUT withdrawal sleeve assemblies. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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