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WEISS Spindle Technology - An Innomotics Business
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Spindle bearing
for maximum precision and machine stability

A correctly designed spindle bearing is the basis for stable machine performance. Even small deviations at the bearing points impair the concentricity and change the force distribution.

Technical test priorities:
  • Bearing alignment and preload
  • Load behavior and resulting vibrations
  • Wear pattern of the spindle bearings

In addition to the analysis, we offer the new spindle bearings and repairs, such as spindle overhaul, spindle maintenance and spindle repairto quickly restore spindles to the specified operating condition and ensure maximum precision and machine stability. For short downtimes, we can provide our replacement spindles as a temporary solution for your machine tool.

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Spindle bearing
3.500
Realized customer-specific solutions
12
Repair and service locations worldwide serve customers in 193 countries
3.000
We carry out repairs on all continents every year
4
It takes a maximum of hours for a pool spindle to be ready for dispatch
SMI24
The digital interface makes our spindle smart - The first spindle that thinks for itself
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Do you have a specific request and would like us to advise you? Send us a message with your questions.
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ISO 14001:2018 - Environmental management

Spindle bearings to reduce vibrations and imbalances

Mechanical unbalance is often caused by uneven spindle bearings or incorrect alignment. Vibrations and imbalance increase significantly at high speeds. This is particularly critical with synchronous spindlesbecause even the smallest deviations affect power transmission and smooth running.

Optimized spindle bearings enable:
  • Smooth running of synchronous and milling spindles
  • Targeted balancing of the rotating unit
  • Dynamic assessment of the bearing points
  • Alignment of the bearing with the actual process load
  • Reduced vibration excitation and less wear
  • Uniform power transmission

Our specialists precisely analyze and adjust the bearing arrangement to sustainably increase precision, service life and production quality.

Spindle bearing to ensure constant speeds and performance

A performance-stable spindle bearing arrangement requires that the bearing geometry and preload are precisely matched to the application. Even small deviations have a direct effect on the running accuracy and the usable speed .

Optimizing the contact zones, minimizing internal friction and ensuring uniform load distribution across the entire speed range improves thermal stability. This guarantees constant speeds and reproducible machining results with maximum machine performance.
Spindle bearing in the product finder

Long-lasting spindle bearing due to precise bearing lubrication

A long-lasting spindle bearing requires precise bearing lubrication to minimize friction and wear. Insufficient lubricant distribution leads to temperature rise, material fatigue and premature wear, which impairs machine performance.

Our experts use modern lubricants and precise metering systems to lubricate the bearings of spindles, including robot spindles for automated manufacturing systems.

Speed and load-dependent lubrication concepts:
  • Grease lifetime lubrication (permanent lubrication) for constant operating conditions
  • Regulated grease lubrication for changing loads

A precisely matched spindle bearing ensures uniform load, maximum service life and stable machine performance during continuous operation.
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Spindle bearing for optimum power transmission and minimal friction

A spindle bearing arrangement designed to withstand the load ensures that axial and radial forces are transmitted to the bearing points without impermissible relative movements. If the operating window (speed/load) is not properly met, friction and heating increase. This results in a measurable loss of spindle performance and reduced process stability.
Spindle bearing - Spindle repair
Our focus is on the technical coordination of bearing arrangement and operating data:

  • Design according to permissible speed characteristics
  • Checking the contact zones under real load
  • Ensuring uniform power transmission over the entire speed range


We stabilize the spindle bearings using a coordinated bearing geometry, precise lubricant metering and controlled balancing. This ensures that the spindle remains reliable and low-maintenance in continuous operation.

Advantages of spindle bearing supports:
  • Uniform power transmission
  • Less maintenance required
  • Reduced risk of premature damage

Contact Rene Austel
Rene Austel
Team Leader Sales Repair & Service
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Frequently asked questions on the subject: Spindle bearing

Precise spindle bearings are crucial for the performance, service life and efficiency of machines. But which materials are optimal, when is replacement necessary and how does it affect energy consumption? Here you will find the most important answers.

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We look forward to hearing from you. Find out more about the extensive development and production options we can offer you.
Address
Birkenfelder Weg 14 96126 Maroldsweisach
+49 9532 92290
+49 9532 9229133
Spindles, maintenance, service Europe, USA, UK and worldwide.

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Spindle bearing

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Innomotics GmbH - Business Unit Spindle Technology
Birkenfelder Weg 14 96126 Maroldsweisach
+49 9532 9229-347
© Weiss Spindle - Innomotics GmbH - 2026
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