Product Description
The CMT Reduction Bushing for Bearing 1/4" - 3/16" is a precision-machined steel adapter designed to reduce bearing and collet bore sizes for accurate, wobble-free router bit and tooling performance. Built to CMT's exacting standards, this small but critical component ensures that bearing assemblies seat correctly and operate smoothly - making it an essential accessory for woodworkers who demand consistent results from their router bits and router table setups.
Key Features
- Reduces from a 1/4" outer diameter to a 4.76mm bore - allows precise adaptation of bearing and collet bore sizes so your CMT tooling fits and runs true without play or wobble.
- Precision-ground steel construction - delivers accurate, repeatable tool positioning, reducing the risk of vibration or misalignment during routing operations.
- Steel material - provides the durability and rigidity needed to maintain consistent bearing contact under the stresses of repeated router use.
Why This Product
- Solves the common problem of mismatched bearing and collet bore sizes - this bushing bridges the gap between a 1/4" diameter and a 4.76mm bore so your existing CMT bearings and tooling can be properly adapted without replacing the full assembly.
- Precision-ground steel means the bushing seats evenly and holds its position, which directly translates to cleaner cuts and longer bearing life during router and router table use.
- A compact, purpose-built accessory that keeps your router bit setup complete and ready - rather than searching for a workaround, this bushing is engineered specifically for bearing and collet bore adaptation.
- Steel construction resists deformation under load, so this bushing maintains its fit and function across repeated installations and removals during tooling changes.
Specifications
- Brand: CMT Orange Tools
- MPN: 799.019.00
- Product Type: Reduction Bushing for Bearing
- Diameter: 1/4"
- Bore Diameter: 4.76mm
- Material: Steel
Approved Applications
- Adapting bearing and collet bore sizes on CMT router bits and tooling
- Router and router table setups requiring precise bearing fit
Frequently Asked Questions
What sizes does this reduction bushing adapt between?
This bushing adapts from a 1/4" outer diameter down to a 4.76mm bore diameter, allowing you to fit bearings or collets with a 4.76mm bore onto 1/4" tooling.
What is this bushing made of, and why does it matter?
It is made of steel. Steel provides the rigidity and durability needed to maintain a secure, accurate fit between bearing and collet components during routing operations, helping prevent wobble and ensuring consistent tool performance.
Is this bushing compatible with routers and router tables?
Yes. This reduction bushing is designed for use with CMT router bits and tooling on both routers and router tables where bearing or collet bore adaptation is required.
Why is precision grinding important in a reduction bushing?
Precision grinding ensures the bushing seats accurately within the bearing or collet assembly. This eliminates gaps or runout that could cause wobble, vibration, or inaccurate cuts during use.
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