RS550 Micro Motor 21V 28000RPM – Electric & Rechargeable Saws

RS550 Gear Micro Motor – 21V 28000RPM for Electric Saws

Upgrade or replace the drive in your cordless power tools with this high-performance RS550 Micro Motor. Running at a powerful 21V / 28000 RPM, it delivers fast, consistent rotation that keeps your electric saw, chain saw, reciprocating saw, or rechargeable hand saw cutting efficiently. Built with a copper-core winding, precision-moulded housing, and durable metal gears (available in 12-tooth or 14-tooth configurations), this motor is engineered for reliability in demanding DIY and workshop applications.

Key Features

• High-Speed Output: 28,000 RPM at 21V for powerful, smooth cutting performance
• Copper-Core Winding: Superior conductivity for efficient energy use and longer motor life
• Metal Construction: Durable stainless steel and metal components resist wear and heat
• Precision Moulded Housing: Accurate dimensions for easy drop-in replacement
• Gear Options: Available in 12-tooth and 14-tooth configurations to suit your tool's drivetrain
• Broad Compatibility: Suitable for electric saws, electric chain saws, reciprocating saws, rechargeable hand saws, and other power tool applications
• Rechargeable-Tool Ready: Designed for rechargeable battery-powered saws — no disposable batteries required
• 2 Color Options: Choose the finish that suits your preference

Specifications

• Model: RS550
• Voltage: 21V
• Speed: 28,000 RPM
• Gear Teeth: 12 or 14 (select your option)
• Shaft Diameter: 8mm
• Material: Metal / Stainless Steel
• Compatible Tools: Electric saws, chain saws, reciprocating saws, rechargeable hand saws

What's in the Box?

• 1 × RS550 Micro Motor (12-tooth or 14-tooth, per selection)

For guidance on safe power tool use and workshop best practices, visit OSHA's Power Tool Safety Resource.

Frequently Asked Questions

Q: What power tools is the RS550 21V 28000RPM Micro Motor compatible with?

A: The RS550 micro motor is compatible with a wide range of power tools including electric saws, electric chain saws, reciprocating saws, and rechargeable hand saws. Its 8mm shaft and precision-moulded housing make it a straightforward replacement or upgrade for most RS550-format tool motors.

Q: What is the difference between the 12-tooth and 14-tooth gear options?

A: The tooth count affects how the motor meshes with your tool's drivetrain. A 12-tooth gear delivers slightly higher torque output, while a 14-tooth gear can provide a marginally higher final speed. Check your original motor's gear count before ordering to ensure the correct fit for your saw.

Q: What materials is the RS550 Micro Motor made from?

A: The RS550 motor features a copper-core winding for efficient conductivity, a precision-moulded metal housing for dimensional accuracy, and durable stainless steel components — built to withstand the demands of regular power tool use.

Q: Is this motor suitable for DIY home projects or professional workshop use?

A: Yes — the RS550 micro motor is well-suited for both serious DIY home projects and workshop applications. Its 21V / 28000 RPM output provides strong, consistent performance whether you're trimming branches, cutting lumber, or completing detailed carpentry tasks.