DeWalt N140406 Bearing – Genuine OEM Replacement Oscillating Multi-Tool Bearing
Part Number: N140406
Category: Power Tool Parts & Accessories → Oscillating Multi-Tool Parts → Bearings
Type: DeWalt N140406 Bearing – Genuine OEM Replacement Oscillating Multi-Tool Bearing
The DeWalt N140406 Bearing is a genuine OEM replacement bearing designed for compatible DeWalt DWE315K oscillating multi-tools. This precision-engineered bearing supports the tool's oscillating drive mechanism, allowing the internal shaft and gear assembly to rotate smoothly while minimizing friction and vibration. Manufactured to original equipment specifications, it provides a direct-fit replacement for worn, noisy, or damaged bearings, helping restore the multi-tool's original performance, efficiency, and operating smoothness.
Key Features & Benefits
- Part Number: N140406
- Genuine OEM DeWalt replacement part
- Replacement bearing for oscillating multi-tools
- Supports the oscillating drive mechanism
- Reduces friction and vibration
- Promotes smooth, efficient operation
- Precision-manufactured for long service life
- Direct-fit OEM replacement
- Manufactured to original equipment specifications
Technical Specifications
Part Number: N140406
Manufacturer: DeWalt
Product Type: Bearing
OEM Part: Yes
Application: Oscillating Multi-Tool Drive Assembly
Quantity: Sold Individually
Compatible Applications
The DeWalt N140406 Bearing fits:
- DeWalt DWE315K Oscillating Multi-Tool Kit (Type 1)
- DeWalt DWE315K Oscillating Multi-Tool Kit (Type 2)
Always verify your tool model, type number, and original part number before ordering to ensure proper compatibility.
Function of the Bearing
The DeWalt N140406 Bearing is a critical component of the oscillating drive system. It helps to:
- Support the rotating shaft within the gear case
- Reduce friction between moving components
- Maintain proper shaft alignment
- Minimize vibration during operation
- Promote smooth power transfer to the oscillating head
- Restore the tool's original operating performance
Using a genuine OEM replacement bearing helps ensure proper fit, reliable operation, and long service life.
Common Signs Replacement Is Needed
Replace the bearing if you notice:
- Grinding or rumbling noises
- Excessive vibration during operation
- Reduced oscillating performance
- Shaft play or looseness
- Bearing seizure or rough rotation
- Visible wear or bearing failure during inspection
A worn or damaged bearing can reduce cutting performance, increase stress on the drive components, and lead to premature gear case wear.
Installation & Service Notes
Disconnect the multi-tool from its power source before performing any repairs.
Disassemble the gear case according to the manufacturer's service instructions to access the N140406 Bearing. Remove the worn bearing using the appropriate bearing removal tools, taking care not to damage the shaft or bearing seat. Press the replacement bearing squarely into position, ensuring it is fully seated without applying force through the bearing's rolling elements. Reassemble the gear case, verify smooth shaft rotation, and test the tool before returning it to service.
Important: Always verify your tool model, type number, and original part number before ordering. Inspect related gears, shafts, and bearing seats during service, and replace damaged components as necessary. Use genuine OEM DeWalt replacement parts to ensure proper fit, smooth operation, and long-term tool reliability.
Maintenance Recommendations
- Keep the gear case clean and properly lubricated as specified by the manufacturer.
- Inspect bearings whenever the gear case is serviced.
- Replace noisy or rough bearings promptly.
- Avoid excessive side loading during heavy cutting applications.
- Periodically inspect the oscillating head for abnormal vibration.
- Use genuine OEM replacement parts to maintain factory fit, smooth operation, and long-term oscillating multi-tool performance.
