Product Description
CMT Bearing 37mm - 12mm by CMT is a precision replacement guide bearing designed for use with CMT router bits, including flush trim, pattern, rabbeting, and profile bit styles. This steel bearing keeps your router bit tracking cleanly and accurately along templates and workpiece edges, making it an essential part for maintaining consistent, professional-quality cuts on a router or router table.
Key Features
- Steel construction - provides the durability and rigidity needed to withstand the rotational forces and friction generated during repeated router bit use, extending the working life of your guide setup.
- 37mm outer diameter - delivers a specific cutting offset when used as a guide bearing on flush trim, pattern, or profile bits, letting you control the depth of cut relative to your template or workpiece edge.
- 12mm bore diameter - fits precisely onto compatible CMT router bit shanks, ensuring a secure, wobble-free seat that keeps cuts true and straight pass after pass.
- 12mm plate thickness - provides the bearing depth needed for stable, full-contact guiding along the edge of a template or workpiece, reducing the chance of tipping or chattering during the cut.
- Black shield orientation matters - the black shield must be kept right side up to correspond with the bearing rotation during reassembly, ensuring smooth and reliable operation after replacement.
Why This Product
- A worn or damaged guide bearing causes drift, burning, and inconsistent cuts - swapping in this direct replacement bearing restores accurate self-guiding performance on flush trim and pattern router bits without having to replace the entire bit.
- The 37mm outer diameter and 12mm bore are specific dimensions matched to a defined range of CMT router bits, so you get a confirmed fit rather than guessing at a universal substitute.
- Steel construction means this bearing resists the heat and lateral stress that builds up during repeated passes, making it suitable for both router table and handheld router use.
- With a 12mm plate thickness, the bearing provides a full, stable contact surface along the guide edge - important for profile bits and rabbeting bits where even slight lateral play can ruin a workpiece.
Specifications
- Manufacturer Part Number: 791.028.00
- Brand: CMT Orange Tools
- Product Type: Router Bit Bearing
- Diameter: 37mm
- Bore Diameter: 12mm
- Plate Thickness: 12mm
- Material: Steel
Approved Applications
- Replacing worn or damaged guide bearings on CMT router bits
- Use with flush trim router bits
- Use with pattern router bits
- Use with rabbeting router bits
- Use with profile router bits
- Compatible with routers and router tables
Frequently Asked Questions
What is the correct way to reinstall this bearing?
When reassembling, keep the black shield right side up so that it corresponds with the bearing rotation. Reversing the shield orientation can interfere with proper operation.
Which router bit types is this bearing used with?
This bearing is used as a guide bearing on flush trim bits, pattern bits, rabbeting bits, and profile bits. It rolls along the edge of a template or workpiece to control the path of the cut.
What are the key dimensions of this bearing?
The outer diameter is 37mm, the bore diameter is 12mm, and the plate thickness is 12mm. These dimensions determine which CMT router bits this bearing is compatible with, so verify that your bit matches before ordering.
What material is this bearing made from?
This bearing is made of steel, which gives it the strength and wear resistance needed to handle the rotational speeds and lateral forces common in router bit guiding applications.
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