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Created with Pixso. High Precision Robot Bearing THK RUA4005 Thin Section Crossed Roller Bearing 40×51×5 mm

High Precision Robot Bearing THK RUA4005 Thin Section Crossed Roller Bearing 40×51×5 mm

Brand Name: GQZ
Model Number: RAU4005
MOQ: 5pcs
Price: $26
Delivery Time: 3 working days after received your payment
Payment Terms: T/T or western Union or PayPal
Detail Information
Place of Origin:
China
Certification:
ISO90001
Material:
GCr15 Steel
Product Name:
Ultrathin Crossed Roller Bearings
Seals Type:
Sealed
ID(mm):
40
OD(mm):
51
Width(mm):
5
Precision Rating:
P5
Structure:
Cylindrical
Packaging Details:
Packed in carton firstly,and then reinforced with wooden case for outer packing
Supply Ability:
3,000pcs per month
Highlight:

THK RUA4005 robot bearing

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thin section crossed roller bearing

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40×51×5 mm robot bearing

Product Description

High Precision Robot Bearing THK RUA4005 Thin Section Crossed Roller Bearing 40*51*5 mm

Product Overview

The RUA4005 Thin Section Crossed Roller Bearing is a high-precision, compact bearing designed for robot arms, automation systems, and precision machinery. With dimensions of 40mm ID * 51mm OD * 5mm width, it offers an ideal balance of space-saving design, high rigidity, and smooth rotation performance.

Using a crossed cylindrical roller structure, the RUA4005 can simultaneously support radial, axial, and moment loads, making it highly suitable for robot joints and high-precision motion control systems. This model is interchangeable with CRBT405 and similar international standards, providing a cost-effective factory-direct solution.


Key Features
  • Ultra-Thin Design (40*51*5 mm)
    Perfect for compact robotic structures and limited installation space

  • High Load Capacity
    Supports multi-directional loads in a single bearing

  • High Precision & Rigidity
    Ideal for robot arms and precision positioning systems

  • Smooth Rotation & Low Noise
    Ensures stable and reliable operation

  • Integrated Inner & Outer Ring
    Simplifies installation and improves assembly accuracy

  • CRBT405 Replacement
    Fully interchangeable with standard models


Technical Specifications
Parameter Value
Model RUA4005
Equivalent Model CRBT405
Type Thin Section Crossed Roller Bearing
Inner Diameter (ID) 40 mm
Outer Diameter (OD) 51 mm
Width 5 mm
Material GCr15 Chrome Steel
Accuracy Grade P5 / P4 (Optional)
Structure Integrated Inner & Outer Ring
Roller Type Crossed Cylindrical Rollers
Applications

The RUA4005 crossed roller bearing is widely used in:

  • Robot arms and robotic joints

  • Industrial automation equipment

  • CNC rotary tables

  • Semiconductor manufacturing equipment

  • Medical devices

  • Precision measuring instruments

Related Models (Thin Crossed Roller Bearing Series)

THK Model d D B Dpw ds Dh C Co Kg
FRAU20055 20 31 5 25.5 22.5 27 1.4 1.29 0.014
FRAU30055 30 41 5 35.5 32.5 37 1.777 1.997 0.022
FRAU40055 40 51 5 45.5 42.5 47 2 2.552 0.022
FRAU50055 50 61 5 55.5 52.5 57 2.228 3.22 0.0322

Why Choose GQZ Bearing?

  • High Precision (P5/P4) – Stable performance for robotics

  • Cost-Effective Replacement – Compatible with THK RAU series

  • Fast Delivery – Reliable supply for global orders

  • Custom Solutions – OEM & application-based design support

  • Strict Quality Control – ISO9001, full inspection before shipment

High Precision Robot Bearing THK RUA4005 Thin Section Crossed Roller Bearing 40×51×5 mm 0

High Precision Robot Bearing THK RUA4005 Thin Section Crossed Roller Bearing 40×51×5 mm 1

High Precision Robot Bearing THK RUA4005 Thin Section Crossed Roller Bearing 40×51×5 mm 2

High Precision Robot Bearing THK RUA4005 Thin Section Crossed Roller Bearing 40×51×5 mm 3

FAQ (Frequently Asked Questions)
1. Is RUA4005 interchangeable with CRBT405?

Yes, the RUA4005 is fully interchangeable with CRBT405, matching key dimensions and performance.


2. What industries use RUA4005 bearings?

It is widely used in robotics, automation, CNC machinery, and precision equipment requiring compact high-rigidity bearings.


3. Do you support customization?

Yes, we provide custom preload, lubrication, sealing options, and special materials based on your application needs.


Request a Quote

Looking for a reliable RUA4005 crossed roller bearing supplier?

 Contact us now to get:

  • Competitive factory price

  • Technical drawings

  • Bulk order support