Description
Overview:
This Armature Assembly is a Genuine Makita OEM part for the 110 V HR2811FT rotary hammer, also suitable for the HR2811F. It is the rotating core of the motor that delivers drive to the gearbox, restoring reliable speed and torque when the original armature is worn or damaged. Built with durable copper windings and a laminated steel core, it is engineered for efficient power transfer and smooth operation under load. Designed to fit precisely within the specified Makita housings, it helps reduce sparking and overheating, maintaining consistent performance in masonry drilling and chiselling tasks. OEM reference 515291-5 confirms exact-match specifications for Makita tools, making this a dependable replacement for professional and DIY maintenance of compatible rotary hammers.
Key Features:
- Genuine Makita OEM part for correct fit and performance
- Designed for 110 V HR2811FT/HR2811F rotary hammers
- Copper windings and steel laminations for durability and efficiency
- Precision-balanced to reduce vibration and motor wear
- Restores torque, speed stability, and starting performance
- Helps minimise arcing at the commutator for longer brush life
- Direct replacement to simplify maintenance and downtime
- Suitable for heavy, repeated use in construction environments
Typical Applications:
Used to replace a failed or worn motor armature in Makita rotary hammers, restoring reliable drilling and chiselling in concrete, brick, stone, and masonry. Ideal for site work, renovations, anchor setting, chasing, and general trade maintenance where consistent tool output and long service life are important.
Also known as:
Rotor, motor rotor, armature rotor, hammer drill rotor, commutator rotor, rotary hammer motor core, replacement armature for SDS-plus rotary hammers, electric motor armature for power tools.
Fits Models:
HR2811F, HR2811FT
Alternate Part Numbers:
5152915
