Product Description
The CMT 791.048.00 10 deg. Delrin Conical Bearing is a precision replacement bearing engineered specifically for solid surface router bits, delivering smooth, controlled guidance along templates and workpiece edges. With a 22mm outer diameter and a 4.76mm bore, this conical bearing from CMT is designed to replace worn or damaged guide bearings on flush trim, pattern, rabbeting, and profile router bits - restoring accurate, self-guided cuts and keeping your routing work on track. The 10 deg. conical profile sets this bearing apart from standard flat bearings, making it the right choice when your router bit setup demands angled guidance for solid surface applications.
Key Features
- 10 deg. conical bearing geometry - the angled profile is purpose-built for solid surface router bits, providing precise directional guidance that a standard flat bearing cannot replicate in these applications.
- Delrin construction - Delrin material delivers low friction and durable wear resistance, so the bearing glides smoothly against templates and edges without marking or dragging the workpiece.
- 22mm outer diameter with 4.76mm bore - dimensionally matched to CMT router bit specifications, ensuring a secure, wobble-free fit that maintains consistent cut accuracy during replacement.
- 6.8mm plate thickness - the precise plate thickness keeps the bearing properly seated and aligned within the bit assembly, supporting stable, repeatable routing performance.
- Black shield orientation requirement - the shield must be kept right side up to correspond with bearing rotation during reassembly, ensuring correct installation and long bearing service life.
Why This Product
- Designed explicitly for solid surface router bit applications, this 10 deg. conical bearing addresses a specific guidance need that standard replacement bearings do not cover - making it the correct replacement part rather than a generic substitute.
- The 22mm diameter and 4.76mm bore are direct CMT specifications, so this bearing fits CMT router bits without modification, reducing installation time and eliminating guesswork during replacement.
- Delrin material resists wear and friction over repeated use, helping extend the service interval between replacements and keeping guide performance consistent across routing sessions.
- With a plate thickness of 6.8mm, this bearing maintains the correct stack height within the bit assembly - an important factor for achieving accurate depth and profile results on solid surface materials.
Specifications
- Manufacturer Part Number: 791.048.00
- Brand: CMT Orange Tools
- Bearing Angle: 10 deg.
- Bearing Type: Conical
- Bearing Material: Delrin
- Outer Diameter: 22mm
- Bore Diameter: 4.76mm
- Plate Thickness: 6.8mm
Approved Applications
- Replacement guide bearing for solid surface router bits
- Restoring guide performance on flush trim router bits
- Replacing worn bearings on pattern routing bits
- Bearing replacement on rabbeting and profile router bits
Frequently Asked Questions
What makes this a conical bearing rather than a standard flat bearing?
This bearing features a 10 deg. conical profile, meaning its guiding surface is angled rather than flat. This geometry is specifically designed for solid surface router bits, where the angled contact provides the correct guidance characteristics for that type of routing work.
Does bearing orientation matter when reinstalling this bearing?
Yes - the black shield must be kept right side up to correspond with the bearing rotation during reassembly. Installing it upside down can compromise bearing performance and reduce service life, so taking note of the shield orientation before disassembly is recommended.
What router bit types is this bearing compatible with?
This bearing is used as a guide bearing on flush trim, pattern, rabbeting, and profile router bits. It is a replacement and upgrade bearing intended for CMT router bits that accept a 22mm outer diameter bearing with a 4.76mm bore.
What machines can these router bit bearings be used with?
This replacement bearing is suited for use with handheld routers as well as router table setups, wherever the compatible CMT router bit is being operated and guide bearing replacement is needed.
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