Wuxi Guangqiang Bearing Trade Co.,Ltd
| Payment Terms | T/T or western Union or PayPal |
| Supply Ability | 3,000pcs per month |
| Delivery Time | 3 working days after received your payment |
| Packaging Details | Packed in carton firstly,and then reinforced with wooden case for outer packing |
| Material | GCr15 Steel |
| Product Name | Ultrathin crossed roller bearings |
| Seals Type | Sealed |
| ID(mm) | 50 |
| OD(mm) | 61 |
| Width(mm) | 5 |
| Precision Rating | P5 |
| Structure | Cylindrical |
| Brand Name | GQZ |
| Model Number | THK RAU5005 |
| Certification | ISO90001 |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T or western Union or PayPal | Supply Ability | 3,000pcs per month |
| Delivery Time | 3 working days after received your payment | Packaging Details | Packed in carton firstly,and then reinforced with wooden case for outer packing |
| Material | GCr15 Steel | Product Name | Ultrathin crossed roller bearings |
| Seals Type | Sealed | ID(mm) | 50 |
| OD(mm) | 61 | Width(mm) | 5 |
| Precision Rating | P5 | Structure | Cylindrical |
| Brand Name | GQZ | Model Number | THK RAU5005 |
| Certification | ISO90001 | Place of Origin | China |
| High Light | Ultra-thin THK RAU5005 bearing ，Precision cross roller bearing 50mm ，Robot arm thin roller bearing | ||
Ultra-Thin Precision Bearing THK RAU5005 Thin Cross Roller Bearing 50*61*5 mm for Humanoid Robot Arms
Product Overview
The RAU5005 Thin Cross Roller Bearing is an ultra-compact, high-precision bearing engineered for humanoid robot arms, industrial automation, and precision motion systems. With dimensions of 50mm ID * 61mm OD * 5mm width, it is designed to deliver high rigidity, smooth rotation, and space-saving performance in demanding applications.
Thanks to its crossed cylindrical roller structure, the RAU5005 can simultaneously support radial loads, axial loads, and moment loads, making it ideal for robot joints and high-accuracy positioning systems. It is fully interchangeable with THK RAU5005, offering a reliable and cost-effective alternative.
Key Features
Ultra-Thin Design (50*61*5 mm)
Perfect for compact robotic joints and limited installation spaces
High Load Capacity
Supports multi-directional loads in a single bearing
High Precision & Rigidity
Ensures stable and accurate motion in robot arms
Smooth & Low Noise Operation
Minimizes vibration and improves service life
Integrated Structure
Easy installation with improved assembly accuracy
THK RAU5005 Replacement
Fully compatible with international standard models
Technical Specifications
| Parameter | Value |
|---|---|
| Model | RAU5005 |
| Type | Thin Crossed Roller Bearing |
| Inner Diameter (ID) | 50 mm |
| Outer Diameter (OD) | 61 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 RAU5005 crossed roller bearing is widely used in:
Humanoid robot arms & joints
Industrial robots and cobots
CNC rotary tables
Semiconductor equipment
Medical robotic systems
Precision inspection 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
FAQ
1. Is RAU5005 interchangeable with THK RAU5005?
Yes, the RAU5005 is fully interchangeable with THK RAU5005 in terms of size, structure, and performance.
2. What makes crossed roller bearings suitable for robot arms?
They provide high rigidity, compact size, and the ability to handle multi-directional loads, which is essential for precision robotic movement.
3. Do you offer customization?
Yes, we support custom preload, lubrication, sealing, and material options based on your application.
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Competitive pricing
Technical drawings
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Company Details
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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