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) | 40 |
| OD(mm) | 51 |
| Width(mm) | 5 |
| Precision Rating | P5 |
| Structure | Cylindrical |
| Brand Name | GQZ |
| Model Number | RAU4005 |
| 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) | 40 |
| OD(mm) | 51 | Width(mm) | 5 |
| Precision Rating | P5 | Structure | Cylindrical |
| Brand Name | GQZ | Model Number | RAU4005 |
| Certification | ISO90001 | Place of Origin | China |
| High Light | THK RUA4005 robot bearing ，thin section crossed roller bearing ，40×51×5 mm robot bearing | ||
High Precision Robot Bearing THK RUA4005 Thin Section Crossed Roller Bearing 40*51*5 mm
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.
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
| 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 |
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
Yes, the RUA4005 is fully interchangeable with CRBT405, matching key dimensions and performance.
It is widely used in robotics, automation, CNC machinery, and precision equipment requiring compact high-rigidity bearings.
Yes, we provide custom preload, lubrication, sealing options, and special materials based on your application needs.
Looking for a reliable RUA4005 crossed roller bearing supplier?
Contact us now to get:
Competitive factory price
Technical drawings
Bulk order support
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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