Dewalt n406598 Armature Bearings Replacement Part

Product Description

The DEWALT n406598 is an armature bearing set designed as a direct OEM replacement for DEWALT power tools. Armature bearings support the rotating armature shaft inside an electric motor, reducing friction and maintaining proper alignment during operation. When bearings wear or fail, the result is increased noise, heat buildup, and eventual motor failure. Replacing the n406598 bearings restores proper motor function and extends the service life of the tool. This part is sourced directly from DEWALT and is intended for use by service technicians performing motor-level repairs on compatible DEWALT equipment.

Armature bearings are a standard repair item in professional power tool service. This part applies to DEWALT power tools that utilize a brushed electric motor with a replaceable armature bearing set. It is typically encountered during bench-level motor rebuilds where worn or seized bearings are identified as the root cause of motor noise, vibration, or thermal shutdown. Installation is appropriate in authorized service center environments or by experienced tool repair technicians.

Key Features

• OEM DEWALT replacement part — ensures correct fit and dimensional tolerance for the motor assembly
• Supports armature shaft alignment and reduces rotational friction inside the motor housing
• Helps eliminate motor noise, vibration, and heat caused by worn or failed bearings
• Direct factory replacement for serviceability and motor longevity

Compatibility

Designed as an OEM replacement armature bearing set for compatible DEWALT power tools with brushed electric motors. Refer to the specific tool model service documentation or a DEWALT authorized service center to confirm fitment before installation.

Installation Notes

Armature bearing replacement is a bench-level motor repair task typically performed by authorized power tool service technicians. Disconnect and unplug the tool completely before disassembly. Proper bearing removal and installation requires a bearing press or appropriate press-fit tooling — never strike bearings directly with a hammer, as this can damage the bearing race and motor shaft. Reassemble per the tool manufacturer service documentation and verify smooth armature rotation before returning the tool to service.

Technical Specifications

• Part Type: Armature Bearings
• Component Application: Brushed Electric Motor

Standard Information

• Brand: DEWALT
• Manufacturer Part Number: n406598