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Home / Rotary Table Bearings

Rotary Table Bearings

A rotary table bearing is a type of high-precision bearing designed to support axial, radial, and moment loads in applications that involve rotational or indexing movement, such as rotary tables in machine tools, automation systems, or industrial equipment.

ZMS is a professional rotary table bearing supplier in China. With high precision and good substitute. There are famous manufacturers in the world like INA, SKF,NSK, NTN and so on. If you want to find Chinese manufacturers, get to us freely.

We supply main series following:
– YRT, YRTS, YRTM series.
– ZKLDF series.

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High Precision

Offers high running accuracyP5,P4 and P2, essential for applications like CNC rotary tables.

Combined Load Capacity

Can support radial, axial, and tilting moment loads simultaneously.

Compact Design

Often thin-section to minimize space.

High Rigidity

Typically made using robust materials and precise manufacturing to minimize deflection under load.

Rotary table bearing

Item

Desc

01

Standard YRT series

We can supply rich stocking of standard YRT series of Chinese manufacturer in high quality. The precision can be P4 and even P2.

For high speed and low friction requirement, we can change the inner structure to fill that.

For even higher speed and even lower friction requirements, we can supply thrust angular contact ball bearings to bear combined load and can reach high slewing precision.

For customers need angular positioning accuracy requirement, we can supply the angle measuring system added on the standard series.

02

Application

1. Rotary Tables in Machine Tools

CNC rotary tables: For indexing and continuous rotation with micron-level positioning accuracy.
Milling, grinding, and turning centers: YRT bearings ensure stable, precise tool movements and repeatable positioning.
Dividing heads and indexing devices: Provide reliable, smooth rotation for precision machining tasks.

2. Rotary Axes of 5-Axis Machining Centers

YRT bearings are often used in the A and C axes, enabling complex, multi-axis machining with high rigidity and minimal backlash.

3. Measuring and Inspection Equipment

Coordinate Measuring Machines (CMMs): YRT bearings deliver the high rotational accuracy necessary for precise measurement.
Optical and laser inspection systems: Where stability and zero play are crucial for repeatability.

4. Rotary Encoders and Precision Positioning Systems

Used as the support bearing in high-accuracy rotary encoders, ensuring the encoder shaft rotates with minimal error.

5. Robotics and Automation

In rotary joints of industrial robots, especially for large payloads or where high repeatability is necessary.
Turntables or rotating platforms in automated assembly lines.

6. Printing and Engraving Machinery

Large-format printers, engraving, or laser cutting tables use YRT bearings for smooth, precise rotational movement.

7. Medical Equipment

Imaging machines, such as CT scanners or MRI machines, where the gantry requires highly accurate, smooth, and stable rotation.

8. Aerospace and Defense Applications

Satellite antenna positioning systems, radar rotating platforms, and other applications where stable, precise rotation is vital.

Factory View

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