Product Description
The CMT Delrin Cylindrical Bearing 1/2" - 3/16" is a precision replacement bearing designed specifically for solid surface router bits. Built from Delrin - a durable, low-friction engineering polymer - this cylindrical guide bearing delivers smooth, consistent performance when routing along templates or workpiece edges. Whether you are replacing a worn bearing on a flush trim bit or restoring a pattern-following bit to peak performance, this CMT bearing provides the reliable guidance needed for clean, accurate cuts in solid surface materials.
Key Features
- Delrin cylindrical bearing construction - engineered for solid surface router bit applications, providing low-friction guidance that protects workpiece edges while maintaining precise tracking along templates
- 1/2" outer diameter - matches the bearing seat on compatible CMT router bits, ensuring a secure, wobble-free fit that keeps the bit running true against the guide surface
- 4.76mm bore diameter - sized to fit the bit shaft precisely, eliminating play that could cause inconsistent cuts or premature bearing wear
- 5mm plate thickness - provides the correct depth profile for proper bit geometry, so the cutting edge is positioned accurately relative to the bearing guide surface
- Black shield orientation indicator - the black shield must be kept right side up to correspond with bearing rotation during reassembly, making correct reinstallation straightforward and reducing the risk of improper assembly
Why This Product
- Designed specifically for solid surface router bits, this Delrin bearing is the correct replacement for restoring accurate self-guiding performance without compromising the quality of edge profiles or pattern work
- The 4.76mm bore and 1/2" outer diameter work together to deliver a precise fit on compatible CMT bits, meaning less vibration and cleaner results at the router table or with a handheld router
- Delrin material offers durable, low-friction contact against templates and guide surfaces, reducing heat buildup and wear compared to metal-on-metal contact scenarios
- The included orientation guidance - keep the black shield right side up to match bearing rotation - makes reassembly straightforward, helping you get your router bit back in service correctly and quickly
Specifications
- Manufacturer Part Number: 791.044.00
- Brand: CMT Orange Tools
- Bearing Type: Delrin Cylindrical Bearing
- Outer Diameter: 1/2"
- Bore Diameter: 4.76mm
- Plate Thickness: 5mm
Approved Applications
- Solid surface router bit guide bearing replacement
- Use with flush trim, pattern, and profile router bits that accept a 1/2" cylindrical bearing
- Router and router table operations requiring a self-guiding bearing along a template or workpiece edge
Frequently Asked Questions
What type of material is this bearing made from?
This is a Delrin cylindrical bearing. Delrin is an engineering polymer chosen for its low-friction properties, making it well suited as a guide bearing for solid surface router bits.
Is there a specific orientation required when reinstalling this bearing?
Yes. The black shield must be kept right side up to correspond with the bearing rotation during reassembly. Taking care to orient the shield correctly before reinstalling ensures the bearing operates as intended.
What are the key dimensions of this bearing?
The outer diameter is 1/2", the bore diameter is 4.76mm, and the plate thickness is 5mm. Confirm these measurements match your router bit's bearing seat before ordering to ensure a proper fit.
What kinds of router bits is this bearing intended for?
This bearing is designed for solid surface router bits, including styles such as flush trim, pattern-following, and profile bits that use a cylindrical guide bearing to track along a template or workpiece edge.
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