Wuxi Guangqiang Bearing Trade Co.,Ltd
| Certifiion | ISO90001 |
| Packaging Details | Packed in carton firstly,and then reinforced with wooden case for outer packing |
| Width(mm) | 45 |
| Precision Rating | P0-P5 |
| Supply Ability | 3,000pcs per month |
| Material | GCr15 Steel |
| Payment Terms | T/T or or PayPal |
| Delivery Time | 3 working days after received your payment |
| OD(mm) | 540 |
| Product Name | Ultrathin crossed roller bearings |
| Seals Type | Sealed |
| ID(mm) | 350 |
| Structure | Cylindrical |
| Place of Origin | China |
| Brand Name | GQZ |
| Model Number | RU445X |
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Product Specification
| Certifiion | ISO90001 | Packaging Details | Packed in carton firstly,and then reinforced with wooden case for outer packing |
| Width(mm) | 45 | Precision Rating | P0-P5 |
| Supply Ability | 3,000pcs per month | Material | GCr15 Steel |
| Payment Terms | T/T or or PayPal | Delivery Time | 3 working days after received your payment |
| OD(mm) | 540 | Product Name | Ultrathin crossed roller bearings |
| Seals Type | Sealed | ID(mm) | 350 |
| Structure | Cylindrical | Place of Origin | China |
| Brand Name | GQZ | Model Number | RU445X |
| High Light | THK RU445X crossed roller bearing ，precision robot bearing 350x540x45mm ，heavy robotics roller bearing with warranty | ||
The RU445X Crossed Roller Bearing is a high-precision, heavy-duty rotary solution featuring an integrated ring design. The "X" configuration signifies a specialized tapped-hole arrangement on the inner ring, allowing for direct mounting without additional pressure plates. It is specifically designed for large-scale industrial robot bases, backlash-free CNC rotary tables, and medical gantries.
X-Type Mounting: Tapped holes on the inner ring simplify assembly and increase structural rigidity.
Extreme Load Capacity: Built to support static loads up to 473 kN in high-stress environments.
Enhanced Tilting Resistance: Crossed-roller geometry provides superior stability against moment loads.
Large Bore Diameter: 350mm inner diameter allows for easy passage of large spindles and wiring.
Sub-Micron Accuracy: High-precision P2/P4 standards ensure zero-play, high-torque rotation.
| Parameter | RU445X Details |
|---|---|
| Model | RU445X (Tapped-Hole Type) |
| Inner Diameter (ID) | 350 mm |
| Outer Diameter (OD) | 540 mm |
| Width (H) | 45 mm |
| Type | Cross Roller Slewing Bearing |
| Structure | Integrated Ring, Crossed Cylindrical Rollers |
| Material | Bearing Steel (GCr15) |
| Dynamic Load (C) | 222 kN |
| Static Load (C0) | 473 kN |
| Mass | 35.4 kg |
| Accuracy Class | P5 / P4 / P2 optional |
| Appliion | Heavy Robotics, Rotary Tables, Medical Equipment |
Heavy Industrial Robotics: Main rotation axis for large-payload industrial robot arms.
CNC Machining Centers: Large-scale 4th/5th axis rotary tables and vertical boring mills.
Medical Technology: Precision rotation for heavy-duty CT scanners and MRI equipment.
Aerospace & Radar: High-torque antenna pedestals and satellite tracking mounts.
| Model | d | D | B | C | Co | kg |
|---|---|---|---|---|---|---|
| RU28 | 10 | 52 | 8 | 2.91 | 2.43 | 0.12 |
| RU42 | 20 | 70 | 12 | 7.35 | 8.35 | 0.29 |
| - | 25 | 80 | 12 | 8.61 | 10.6 | 0.4 |
| RU66 | 35 | 95 | 15 | 17.5 | 22.3 | 0.66 |
| RU85 | 55 | 120 | 15 | 20.3 | 29.5 | 1 |
| RU124 | 80 | 165 | 22 | 33.1 | 50.9 | 2.6 |
| RU124G | 80 | 165 | 22 | 33.1 | 50.9 | 2.6 |
| RU124X | 80 | 165 | 22 | 33.1 | 50.9 | 2.6 |
| RU148 | 90 | 210 | 25 | 49.1 | 76.8 | 4.9 |
| RU148G | 90 | 210 | 25 | 49.1 | 76.8 | 4.9 |
| RU148X | 90 | 210 | 25 | 49.1 | 76.8 | 4.9 |
| RU178 | 115 | 240 | 28 | 80.3 | 135 | 6.8 |
| RU178G | 115 | 240 | 28 | 80.3 | 135 | 6.8 |
| RU178X | 115 | 240 | 28 | 80.3 | 135 | 6.8 |
| RU228 | 160 | 295 | 35 | 104 | 173 | 11.4 |
| RU228G | 160 | 295 | 35 | 104 | 173 | 11.4 |
| RU228X | 160 | 295 | 35 | 104 | 173 | 11.4 |
| RU297 | 210 | 380 | 40 | 156 | 281 | 21.3 |
| RU297G | 210 | 380 | 40 | 156 | 281 | 21.3 |
| RU297X | 210 | 380 | 40 | 156 | 281 | 21.3 |
| RU445 | 350 | 540 | 45 | 222 | 473 | 35.4 |
| RU445G | 350 | 540 | 45 | 222 | 473 | 35.4 |
| RU445X | 350 | 540 | 45 | 222 | 473 | 35.4 |
1. What is the benefit of the "Slewing" design in the RU445X?
The slewing design allows a single bearing to replace a multi-bearing setup. It handles radial, axial, and moment loads simultaneously, saving space and reducing weight in large machinery.
2. Is the RU445X suitable for both inner and outer ring rotation?
Yes. Since both rings are integrated units, the RU445X maintains high rotational accuracy and rigidity regardless of which ring is driven.
3. Can GQZ provide custom lubriion for extreme environments?
Absolutely. We offer specialized grease for high-speed, high-temperature, or vacuum-sealed environments to match your specific appliion requirements.
Experience the stability and precision of the GQZ RU445X. Contact our engineering team today for technical drawings, 3D models, or a competitive quote!
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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