Description
Overview:
The Spiral Bevel Gear 53 A is a genuine Makita gearbox component for popular 230 mm angle grinders, including the GA9020 and GA9020S. Identified by Manufacturer Part Number 227491-2, it is a precision-machined steel gear that transfers drive from the motor to the output spindle via spiral bevel teeth for smooth, efficient operation. Replacing a worn or damaged gear restores cutting and grinding performance, helps maintain correct speed under load, and reduces harshness in the drivetrain. Built for demanding site and workshop use, this gear is engineered to the correct tolerances for reliable mesh with the mating pinion in Makita housings. It is a straightforward maintenance part for keeping your grinder productive and within specification.
Key Features:
- Genuine Makita part (MPN 227491-2) for assured compatibility and fit
- Precision-cut spiral bevel teeth for smooth, efficient power transmission
- Direct replacement for worn gears to restore torque and consistency
- Durable steel construction for long service life in heavy-duty use
- Helps reduce vibration and noise caused by tooth wear
- Maintains correct spindle speed and cutting/grinding performance
- Compatible with GA7020, GA7020S, GA9020, GA9020S
- Supports preventative maintenance to extend tool lifespan
Typical Applications:
Used during routine service or repair of Makita angle grinders to restore drive to the disc when cutting steel sections, grinding welds, chasing masonry, trimming concrete, or general site maintenance. Suitable for trades, fabrication shops, hire fleets, and DIY users who need dependable gearbox performance under continuous or intermittent loads.
Also known as:
Drive gear, output gear, gearbox gear, angle grinder transmission gear, spiral drive gear, grinder drivetrain component.
Fits Models:
GA7020, GA7020S, GA9020, GA9020S
Alternate Part Numbers:
2274912
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