Controlled CNC remakes for bearing-fit and concentricity-critical shafts.
We manufacture new scored bearing journal shafts as full CNC remakes, not repairs. Each shaft is measured, datumed, and inspected to recover journal geometry and alignment. This eliminates fit uncertainty, bearing damage, and premature failure during installation.
CNC Remakes of Scored Bearing Journal Shaft Components
Scored bearing journals compromise fit, alignment, and bearing life. Remaking the shaft as a new, fully verified component provides a cleaner, more reliable outcome than attempting to correct damaged surfaces that cannot be dimensionally trusted.
Single-journal shafts with localized scoring
Multi-journal shafts requiring concentricity recovery
Shoulder-located bearing journal shafts
Shafts with press-fit or slip-fit bearing seats
Keyed or splined shafts with journal damage
Cantilevered shafts with bearing wear zones
Legacy shafts with undocumented journal geometry
How We Control Accuracy in CNC Remakes
Accuracy comes from verification and controlled machining, not surface correction.
Datums re-established from functional bearing and locating features
Journal concentricity controlled relative to shoulders and drive features
Full geometry remade to eliminate hidden distortion and wear risk
Predictable bearing fit and alignment on installation
When a CNC Remake Makes Sense
Clear indicators that a CNC remake is required:
Bearing journals are scored, galled, or undersize
Bearing failures repeat after surface correction attempts
Original print is missing or unreliable
Component is obsolete or unsupported
Shaft geometry is distorted or no longer concentric
Thickness drift affects alignment or preload
Technical Capabilities
Materials
4140 alloy steel
1018 carbon steel
Stainless steels
6061 aluminum
Common Features
Complete dimensional measurement prior to machining
In-process verification of journals and locating features
Final inspection confirming fit, alignment, and geometry
Frequently Asked Questions
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T&D Machine
Serious Machining for Serious Parts.
Contact
Email: sales@tdmachine.net
Phone: (262) 781-3870
Location
Wisconsin, USA