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Wuxi Guangqiang Bearing Trade Co.,Ltd

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China ROBOT BEARING RU42 RU66 RU85 RU124X RU148G RU228 RU297 RU445 P5 Precision Cross
China ROBOT BEARING RU42 RU66 RU85 RU124X RU148G RU228 RU297 RU445 P5 Precision Cross

  1. China ROBOT BEARING RU42 RU66 RU85 RU124X RU148G RU228 RU297 RU445 P5 Precision Cross
  2. China ROBOT BEARING RU42 RU66 RU85 RU124X RU148G RU228 RU297 RU445 P5 Precision Cross
  3. China ROBOT BEARING RU42 RU66 RU85 RU124X RU148G RU228 RU297 RU445 P5 Precision Cross
  4. China ROBOT BEARING RU42 RU66 RU85 RU124X RU148G RU228 RU297 RU445 P5 Precision Cross

ROBOT BEARING RU42 RU66 RU85 RU124X RU148G RU228 RU297 RU445 P5 Precision Cross

  1. MOQ: 5
  2. Price: $100-$115
  3. Get Latest Price
Payment Terms T/T,D/P,D/A
Supply Ability 1000PCS/month
Delivery Time 15 work days
Precision Rating P2
Seals Type Metal Seal
Type ROLLER
Material Chrome Steel
Feature Four Point Contact,Cross Roller,High Precision,Low Noise Long Life,Secure
Application Robotics
Service OEM Customized Service
Place of Origin Japan
Brand Name OEM
Model Number RU42/ RU66/RU85/ RU124X/ RU148G/ RU228 /RU297 /RU445
Certification ISO9001

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms T/T,D/P,D/A Supply Ability 1000PCS/month
Delivery Time 15 work days Precision Rating P2
Seals Type Metal Seal Type ROLLER
Material Chrome Steel Feature Four Point Contact,Cross Roller,High Precision,Low Noise Long Life,Secure
Application Robotics Service OEM Customized Service
Place of Origin Japan Brand Name OEM
Model Number RU42/ RU66/RU85/ RU124X/ RU148G/ RU228 /RU297 /RU445 Certification ISO9001
High Light P5 Precision Cross Roller BearingChrome Steel Robot BearingMetal Seal Slewing Ring Bearing
Product Overview

The RU Series Precision Cross Roller Bearings are specially designed for industrial robotics and high-precision automation systems. Models including RU42, RU66, RU85, RU124X, RU148G, RU228, RU297, and RU445 provide high rigidity, compact structure, and superior rotational accuracy.

RU series bearings feature an integrated inner and outer ring structure with mounting holes, simplifying installation and improving alignment precision. With crossed cylindrical rollers arranged at 90°, these bearings can support radial loads, axial loads, and moment loads simultaneously — making them ideal for robotic arm joints and rotary positioning systems.

The P5 precision grade ensures stable rotation and precise motion control in demanding robotic applications.


Key Features
  • Crossed roller design for multi-directional load capacity
  • Integrated inner & outer ring structure
  • High rigidity and compact design
  • P5 precision grade for accurate positioning
  • Smooth rotation and low friction
  • Easy installation with mounting holes
  • Suitable for high-speed and high-torque robotic systems

Available Models
Model Application Scope
RU42 Small robotic joints
RU66 Compact automation units
RU85 Collaborative robot arms
RU124X Industrial robot wrist
RU148G Medium-duty manipulators
RU228 Large robot arm rotation
RU297 Rotary tables
RU445 Heavy-duty robotic base

(Custom sizes, preload classes, and sealing options available.)


Technical Specifications
  • Product Type: Cross Roller Bearing
  • Series: RU Series
  • Precision Grade: P5
  • Structure: Crossed cylindrical rollers
  • Material: High-quality bearing steel
  • Preload: Light / Medium / Heavy preload optional
  • Sealing: Open or sealed type available
  • Application: Industrial robotics and automation

Typical Applications

RU Series cross roller bearings are widely used in:

  • Industrial robot arm joints
  • Robot wrist and elbow rotation
  • Harmonic and RV reducers
  • CNC rotary tables
  • Semiconductor and precision assembly equipment
  • High-accuracy positioning platforms

Why Choose GQZ Bearing

At GQZ Bearing, we provide precision robot bearings designed for stability and long-term industrial performance:

  • Strict dimensional and tolerance control
  • Stable preload adjustment capability
  • Consistent batch production quality
  • OEM and private label support
  • Export experience in robotics and automation sectors


Packaging & Supply
  • Anti-rust vacuum packaging
  • Industrial export carton
  • OEM packaging support
  • Flexible MOQ for project-based purchasing
  • Global shipping via air and sea

FAQ – RU Series Precision Robot Bearings
1. Why is the RU series suitable for robotic applications?

The RU series uses a crossed roller structure that supports radial, axial, and moment loads simultaneously. Its integrated ring design improves rigidity and installation accuracy, making it ideal for robot joints and precision motion systems.


2. What does P5 precision grade mean?

P5 precision provides tighter dimensional tolerances and improved rotational accuracy compared to standard grades, ensuring stable and precise robotic positioning.


3. Can preload and customization be provided?

Yes. We offer customized preload levels, sealing options, marking, and packaging according to your project requirements.


Request a Quote

Looking for a reliable supplier of RU42, RU66, RU85, RU124X, RU148G, RU228, RU297, RU445 robot bearings?

Contact GQZ Bearing for pricing, technical drawings, or samples.

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer,Distributor/Wholesaler,Exporter,Trading Company

  • Year Established:

    1989

  • Total Annual:

    1000000-10000000

  • Employee Number:

    10~100

  • Ecer Certification:

    Verified Supplier

  Established in 1999, Wuxi Guangqiang Bearing Trade Co.,Ltd works hard in researching and manufacturing high quality bearings and rely on it's advantages of strong technologies, advanced equipment, professional technical team, quality production and reasonable prices has gain a broad...   Established in 1999, Wuxi Guangqiang Bearing Trade Co.,Ltd works hard in researching and manufacturing high quality bearings and rely on it's advantages of strong technologies, advanced equipment, professional technical team, quality production and reasonable prices has gain a broad...

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Get in touch with us

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  • Wuxi Guangqiang Bearing Trade Co.,Ltd
  • No. 650 North Xingyuan Road, Beitang District, Wuxi, China.
  • https://www.ball-rollerbearing.com/

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