Bearings for CNC Rotary Tables

CNC rotary tables require exceptionally precise and reliable bearings that can withstand continuous rotation, heavy axial loads, and the demanding accuracy of modern machining centers. This page provides a complete overview of the bearing types commonly used in CNC rotary tables and explains why high-precision components are essential for stable and repeatable machine performance. Worldwide delivery is available for all bearing sizes and brands.

High-Precision Bearings for CNC Positioning

Rotary tables used in CNC milling, drilling, and multi-axis machining depend on bearings with minimal runout, excellent rigidity, and long service life. The most commonly used types include:

• Crossed roller bearings – high rigidity, ideal for compact rotary tables
• Angular contact ball bearings – excellent for high-speed rotation
• Axial-radial bearings – perfect for heavy-duty rotary tables and indexing systems
• Thin-section precision bearings – suitable for small or lightweight rotary devices
• Hybrid ceramic bearings – low friction and reduced heat generation

Why High-Quality Bearings Matter

CNC rotary tables operate under demanding conditions. Poor-quality bearings can lead to vibration, positioning errors, chatter, and increased wear of cutting tools. Using the correct bearing specification ensures:

• High rotational accuracy for 4th and 5th axis machining
• Stable load capacity under axial and radial forces
• Smooth movement during indexing and continuous rotation
• Extended service life even under heavy-duty machining cycles
• Improved machining surface quality due to reduced vibration

Available Bearing Types and Brands

We supply a full range of bearings suitable for rotary tables, including high-precision P5, P4, and P2 grades. All major manufacturers can be sourced, including:

• FAG
• SKF
• NSK
• NTN
• INA
• KOYO
• Nachi
• Other premium and equivalent brands upon request

If you have a specific model number or machine reference, we can cross-reference it and supply suitable replacements.

Global Supply and Fast Delivery

Stock and non-stock items can be delivered anywhere in the world. Whether you need a single replacement bearing or a complete set for multiple rotary tables, we can prepare a tailored offer based on your required quantities, tolerance class, and brand preferences.

Request a Quote

To receive an offer, simply provide the bearing designation, machine type, or the dimensions you require. We will supply pricing, availability, and lead time for your location.