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48H558 - Walter 48-H-558 Replacement Armature Assembly 110V

Packaging: 1 per each
$265.38/ea

Usually ships within 3-5 business days

SKU: 48H558 Categories: ,

OVERVIEW

Restore Factory Performance with the Walter 48-H-558 Armature

The Walter 48H558 Armature is a critical OEM replacement component designed to revitalize your Walter power tools. Operating at 110V, this armature is the heart of your grinder's electric motor, converting electrical energy into the high-torque mechanical rotation required for heavy-duty grinding and cutting applications. When an armature fails due to overheating, commutator wear, or shorted windings, the tool loses power or ceases to function entirely. Replacing it with a genuine Walter part ensures that your equipment returns to its original operational standards.

Manufactured with high-quality copper windings and a durable commutator, this armature is engineered to withstand the thermal and mechanical stresses typical of industrial environments. It comes precision-balanced from the factory, which is essential for minimizing vibration at high RPMs. Excessive vibration not only causes operator fatigue but can also lead to premature failure of bearings and gears. By choosing the 48-H-558, you are investing in the longevity of your tool, ensuring that the fit, finish, and electrical characteristics match the specific requirements of your Walter grinder model.

Installation of this component should be performed by qualified personnel to ensure proper seating of brushes and bearings. This assembly typically includes the cooling fan, which is integral to maintaining safe operating temperatures during prolonged use. Whether for a maintenance overhaul or an emergency repair, the Walter 48H558 provides the reliability professionals expect from the brand.

Additional Information
Packaging Description:1 per each
Voltage:110V, 120V
Part Type:Armature, Replacement Motor Part
Compatible Brand:Walter Surface Technologies
Product Type:Repair Part
Application:Angle Grinder Maintenance, Power Tool Repair

INCLUDED

  • 1 x Walter Armature 110V (48-H-558)
  • Fan assembly (pre-mounted)
  • Commutator protection

APPLICATIONS

  • Repairing Walter angle grinders with burnt or shorted motors
  • Replacing worn commutators causing excessive sparking
  • Restoring torque to bogging power tools
  • General power tool maintenance and refurbishment

FAQ

Common signs include excessive sparking at the brushes, smoke or a burning smell coming from the motor vents, the tool running very slowly or with low torque, or the tool blowing fuses/tripping breakers immediately upon startup.

Yes, the 48H558 is a genuine OEM replacement armature manufactured by Walter Surface Technologies, ensuring exact fit and factory performance.

Typically, armatures are sold as the winding and shaft assembly with the fan. Bearings are usually sold separately unless specified otherwise. It is recommended to check your bearings during replacement and install new ones if they show signs of wear.

No, armatures are model-specific. The 48H558 is designed for specific 110V Walter grinder models. Please verify your tool's model number against the parts diagram before ordering.

If you are comfortable with power tool repair, yes. It involves opening the tool housing, removing the brushes, and swapping the armature assembly. If you are unsure, it is best to have a qualified technician perform the repair.

This armature is rated for 110V/120V tools. Do not use this part in 220V versions of the tool.