RGH Series Linear Guide
RGH Series Roller Linear Guide for High-Load and High-Rigidity Motion
The RGH Series Linear Guide is a heavy-duty, roller-type profiled rail system engineered for industrial machinery requiring high load capacity, structural rigidity, and stable linear translation under demanding operating conditions.
Line-Contact Roller Architecture
Departing from traditional ball-type guideways, the RGH Series utilizes precision-ground cylindrical rollers as the primary rolling elements. The resulting line-contact interface between the rollers and raceways significantly expands the contact surface area, minimizing elastic deformation under load and providing the high stiffness required for heavy industrial applications.
Industrial Applications
The RGH Series is well-suited for large-scale CNC machine tools, precision grinding machinery, heavy automation systems, and high-mass mechanisms subjected to substantial static, dynamic, or moment loads.
Custom OEM/ODM Manufacturing
Yongrun Precision provides comprehensive OEM and custom manufacturing for RGH linear guides, fabricating components according to customer drawings, specific dimensional tolerances, and operational requirements.
| Parameter | Specification Details |
| Product Series | RGH Series (Square Type, High-Rigidity Profile) |
| Product Classification | Heavy-Duty Roller Recirculating Profiled Rail Guide |
| Rolling Elements | Precision Cylindrical Rollers |
| Contact Geometry | Line Contact (Roller to Raceway interface) |
| Primary Performance | High Load-Bearing Capacity & Superior Structural Rigidity |
| Standard Models Available | RGH25CA, RGH30CA, RGH35CA, RGH45CA, RGH55CA, RGH65CA |
| Target Applications | CNC Milling Centers, Precision Grinding, Heavy Automation Gantries |
| Preload Configurations | Configurable per engineering specifications (e.g., Z0, ZA, ZB) |
| Accuracy Classes | Graded tolerance classes available (e.g., H, P, SP, UP) |
| Rail Lengths | Precision cut-to-length per customer requirements (butt-jointing available) |
| Manufacturing Services | Comprehensive OEM / ODM support and drawing-based custom machining |
Company Advantages
1.Manufacturing Authority :
- Direct Manufacturer with its own factory, suggesting better control over quality and cost.
- Strategically located in Lishui City, Zhejiang Province, China, a nationally renowned hub for linear motion products, implying industry expertise and supply chain advantage.
- Welcomes factory visits, promoting transparency and trust.
2.Quality and Reliability:
- Holds ISO9001 Quality Management System certification and CE certification, demonstrating commitment to international quality standards.
- Offers a two-year extended warranty, which is a strong assurance of product quality.
3.Flexibility and Customization (OEM/ODM):
- Provides OEM/ODM customization services.
- Allows customization of product packaging and offers product marking services.
4.Customer Accessibility:
- Offers free samples for quality verification.
- Extremely low Minimum Order Quantity (MOQ) of one piece.
- Guarantees a response to inquiries within 24 hours (often faster).
5.Logistics and Transactions:
- Fast delivery lead time: 3–7 days for small batch orders.
- Accepts diverse payment methods (PayPal, wire transfers, letters of credit, etc.).
- Offers diverse shipping channels (ocean, air, courier, postal mail).
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