Spindle repair that minimizes downtime
Restore precision and performance with expert spindle repair. We inspect, repair, and balance every spindle to OEM specification — reducing costs and extending spindle life so your equipment gets back to production faster.
Inspection · Repair · Balancing · Guaranteed to OEM spec
Expert Technicians
Decades of combined experience across machine tool and high-frequency spindles.
State-of-the-Art Facility
Precision machining, grinding, and dynamic balancing under one roof.
Cost-Effective Solutions
Rebuild to spec for a fraction of the cost and lead time of buying new.
A disciplined, three-stage repair process
Inspection & Diagnostics
Complete teardown and analysis — bearing condition, runout, taper geometry, shaft and housing wear — to establish root cause before any work begins.
Precision Repair & Balancing
Machining, grinding, bearing replacement, and dynamic balancing to restore the spindle to original manufacturer tolerances.
Testing & Quality Assurance
Every repaired spindle is run-tested and verified against OEM specification, then backed by our performance guarantee.
Custom spindles, engineered to your specs
Beyond repair, Centerline builds new and custom spindles designed for precision, performance, and durability — tailored to your unique machining requirements and backed by expert engineering.
Discuss a custom buildEvery spindle type, restored to spec
Centerline repairs belt-driven, motorized, high-frequency milling, lathe, and grinding spindles. Every rebuild includes dynamic and static balancing to the G0.4 quality standard — from under ½ lb to 200 lbs of rotating mass — plus vibration analysis and failure analysis to find and correct the root cause.
Shop Equipment
- Two Kellenberger 1000U universal precision grinders
- G&N surface grinder
- Henninger center grinder
- Lathes & mills for the tightest tolerances
- Full QC testing stations (electrical, lubrication, pneumatic, hydraulic)
- Balancing & vibration analysis: Schunk, Hoffmann, IFM, IRD
Send us your spindle details
Complete this worksheet to help ensure a successful repair. Be as thorough as possible, especially anywhere your spindle deviates from standard specs. Include it when you send the spindle in.
Spindle repair built for demanding work
Spindle repair questions, answered
- How long does spindle repair take?
- Turnaround depends on the spindle type and parts availability, but Centerline prioritizes minimizing downtime with fast diagnostics and repair. Contact us with your spindle details for a turnaround estimate.
- Do you repair spindles from any manufacturer?
- Yes. Centerline services a wide range of machine tool and high-frequency spindles. We are the exclusive Jaeger-authorized repair facility in the Americas and an authorized partner for SycoTec, Henninger, Renaud, and Ortlieb.
- Is a repaired spindle as good as new?
- Repaired spindles are inspected, rebuilt, and balanced back to OEM specification and verified by testing. This restores accuracy and performance at a fraction of the cost and lead time of a new spindle.
- What information do you need for a quote?
- The spindle make and model, the machine it runs in, and a description of the symptoms (noise, vibration, runout, thermal growth, or failure) help us provide an accurate assessment and quote.
Minimize downtime. Restore precision.
Talk to our spindle specialists about repair, taper grinding, or a custom build. Fast turnaround, guaranteed performance.