Product Description
CMT Bearing 22mm - 8mm is a precision replacement guide bearing designed to restore smooth, accurate self-guiding performance on CMT router bits. With a 22mm outer diameter and an 8mm bore, this steel bearing fits flush trim, pattern, rabbeting, and profile bits - giving woodworkers a reliable way to keep their router bit lineup running at peak precision without replacing entire bit assemblies.
Key Features
- Steel construction - delivers the durability needed to handle repeated contact with templates and workpiece edges during routing operations, resisting wear over extended use.
- 22mm outer diameter - provides a consistent, predictable cutting offset when used as a guide bearing on flush trim or pattern routing tasks, ensuring accurate edge reproduction.
- 8mm bore diameter - matches the shaft size common to many CMT router bits, making this a direct-fit replacement that installs without modification.
- 12.7mm cutting depth capacity - accommodates material thicknesses commonly encountered in trim, pattern, and profile routing applications, giving the bearing room to guide effectively across a range of workpiece sizes.
- 7mm plate thickness - keeps the bearing compact and low-profile, minimizing interference with the bit's cutting geometry and maintaining clean routing performance.
- Black shield orientation design - the black shield must face the correct direction to correspond with bearing rotation during reassembly, helping users reinstall the bearing correctly and maintain smooth operation.
Why This Product
- Replacing a worn guide bearing rather than an entire router bit saves cost - this bearing restores the guiding accuracy of flush trim, pattern, rabbeting, and profile bits at a fraction of bit replacement cost.
- The 22mm outer diameter and 8mm bore are precision-matched specifications, so the bearing fits correctly and guides true along templates and workpiece edges without slop or wobble.
- Steel construction means the bearing can withstand the friction and lateral pressure of repeated template contact, making it a dependable long-term solution for production or shop use.
- Knowing the black shield orientation detail before disassembly prevents incorrect reassembly - this bearing includes that reassembly guidance, reducing the chance of a reassembly error that could affect performance.
Specifications
- Manufacturer Part Number: 791.005.00
- Brand: CMT Orange Tools
- Outer Diameter: 22mm
- Bore Diameter: 8mm
- Cutting Depth: 12.7mm
- Plate Thickness: 7mm
- Material: Steel
- Product Type: Router Bit Replacement Bearing
Approved Applications
- Replacing worn or damaged guide bearings on CMT flush trim router bits
- Replacing guide bearings on CMT pattern routing bits
- Replacing guide bearings on CMT rabbeting bits
- Replacing guide bearings on CMT profile bits
- Use on a router or router table for edge-guided routing operations
Frequently Asked Questions
What router bit types is this bearing used with?
This replacement bearing is used as a guide bearing on flush trim bits, pattern bits, rabbeting bits, and profile bits. It guides the cut by rolling along the edge of a template or workpiece during routing.
Is there a specific orientation I need to follow when reinstalling this bearing?
Yes. During reassembly, the black shield must face the correct direction to correspond with the bearing rotation. Take note of the shield orientation before disassembly so you can reinstall it correctly.
Will this bearing fit any CMT router bit with an 8mm shaft?
This bearing has an 8mm bore diameter, which is the dimension that determines shaft compatibility. Confirm that your CMT router bit accepts a bearing with an 8mm bore and a 22mm outer diameter before installing.
What is the cutting depth and plate thickness of this bearing?
The cutting depth is 12.7mm and the plate thickness is 7mm. These dimensions determine how the bearing positions itself relative to the bit's cutting edge and how much material depth the bit can engage while the bearing guides along the template or workpiece edge.
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