X&S HGH30HA HGH45HA HGH55HA HGH65HA Linear Guide Bearing Slide Block
X&S HGH30HA HGH55HA HGH45HA HGH65HA Linear Guide Slide Blocks — machined from bearing steel with HRC58-62 hardness and high corrosion resistance for precision automation.
- Supports grease or oil lubrication across solid profile rail systems.
- Every shipment includes a complete documentation package with material test reports and dimensional inspection certificates.
Cross-reference parameter alignment — We verify carriage profile, block length, and preload class rather than relying solely on the base designation to prevent tracking errors in automation setups.
Technical Specifications
| Parameter | Value |
|---|---|
| Designation | HGH30HA HGH55HA HGH45HA HGH65HA |
| Product Type | Linear Guide Bearing / Slide Block Bearing |
| Material | Bearing steel or alternative corrosion-resistant variants |
| Hardness | HRC58-62 [NEED_CITE:] |
| Surface Treatment | Polished |
| Profile Type | Solid profile |
| Corrosion Resistance | High corrosion resistance |
| Lubrication | Grease or oil |
| Carrying Capacity | Special weight level |
| Certification | CE |
| Origin | Shandong, China |
Note: The "HA" suffix is an unverified designation requiring manufacturer catalog confirmation for specific carriage design variants.
Application Suitability
| Industry | Typical Applications |
|---|---|
| Industrial Automation | Multi-axis gantry systems and robotic pick-and-place arms |
| Measuring Instruments | Coordinate measuring machine bridge axes and optical comparators |
| Medical Equipment | CNC surgical milling machines and automated laboratory sample handlers |
| Food Processing | Washdown-compatible conveyor diverters and packaging sealers |
Why Base Number Matches Still Cause Gantry Vibration
Matching the base designation without verifying the carriage profile and preload class guarantees premature tracking errors.
During my years handling field maintenance, I saw countless measuring instruments suffer from severe bridge vibration simply because the installed blocks matched the basic HGH30HA number but lacked the correct internal preload. Procurement teams often secure parts that look identical on paper, yet the internal rolling element sizing differs slightly from the original equipment requirement. This mismatch forces the carriage to run with improper internal clearance, generating heat and destroying the micron-level accuracy the machine was built to deliver [NEED_CITE:].
Matching the Block to the Machine’s Dynamic Reality
Sourcing from a reliable X&S HGH30HA linear guide bearing supplier means looking past the stamped number on the metal. We evaluate the actual dynamic loads, moment forces, and travel speeds your specific automation equipment experiences. By cross-referencing the exact carriage length and internal geometry, we ensure the slide block maintains rigidity under your specific cutting or positioning forces.
Navigating Washdown and High-Cycle Fatigue
Linear guides in food processing or medical labs face constant exposure to moisture and aggressive cleaning agents. Standard bearing steel will corrode quickly, pitting the raceway and causing the block to stutter. Selecting appropriate corrosion-resistant material variants ensures the polished surface remains intact. Furthermore, high-cycle applications demand careful lubrication planning; choosing between grease and oil depends entirely on the travel speed and the frequency of maintenance intervals your facility can support [NEED_CITE:].
Decoding the Core Engineering Parameters
The HRC58-62 hardness range is critical for the raceway to resist brinelling under heavy static loads. The solid profile rail design provides the necessary torsional rigidity when the carriage experiences offset moment loads during rapid direction changes. High corrosion resistance treatments protect the polished surfaces from microscopic pitting that would otherwise amplify vibration. Finally, the special weight level carrying capacity ensures the block’s end caps and recirculation paths can withstand the shock loads typical in heavy packaging machinery.
The Hidden Cost of Interchangeable Assumptions
Assuming all blocks with the same base number are mechanically interchangeable leads to catastrophic alignment failures. When a slightly shorter carriage is forced onto a rail designed for a longer load distribution zone, the localized stress accelerates fatigue spalling on the rolling elements. According to failure mode classifications in ISO 15243, this surface fatigue quickly degrades into total seizure, resulting in unplanned downtime and the complete loss of the machine’s positional accuracy [NEED_CITE:].
Why Our Technical Review Prevents Field Failures
We do not just ship the number you type into the inquiry form; we verify the application parameters first. If your OEM equipment requires a specific carriage length to handle a heavy moment load, we ensure the replacement matches that exact physical footprint. Our cross-brand interchange expertise focuses on aligning the internal preload and seal friction, not just the outer dimensions. This prevents the thermal binding that occurs when a high-preload block is mistakenly installed in a high-speed, low-load application.
Documentation & Authenticity
- Certificate of Conformity validating the CE standard for automation safety compliance.
- Batch traceability linking the specific slide block to its original manufacturing run.
- QR verification via official apps to confirm the authenticity of the carriage and rail set.
- Material test reports confirming the metallurgical composition of the bearing steel variants.
- Dimensional inspection reports verifying the carriage height and width tolerances before dispatch.
Storage, Handling & Mounting
- Keep the solid profile rail in its original VCI packaging until installation to prevent surface oxidation.
- Use clean lint-free gloves when handling the polished raceways to avoid acidic fingerprint etching.
- Align the carriage carefully onto the rail; forcing it damages the recirculation end caps.
- Purge the old lubricant and inject fresh grease or oil based on the specific speed requirements of the gantry.
- Store high corrosion resistance variants away from carbon steel dust to prevent galvanic surface pitting.
Preparing Your Inquiry for Technical Review
To ensure accurate选型, please provide the specific radial and axial loads, travel speed, and operating temperature of your automation equipment. If you are replacing an existing component, share the original OEM equipment number or the exact physical dimensions of the current carriage. This data allows our engineering team to verify the required preload class and recommend the optimal lubrication strategy for your application.
Frequently Asked Questions
Q: How do I determine the exact HGH series block model for my machine?
A: Provide your equipment’s dynamic load, travel speed, and moment forces. Our engineering team will calculate the required static and dynamic load ratings to recommend the correct carriage size and preload class, ensuring the block handles your specific application without premature fatigue or thermal binding.
Q: What causes vibration in precision measuring instruments using these guides?
A: Vibration often stems from installing a block with the wrong internal preload or carriage length. If the preload is too light for the moving mass, the carriage deflects under load. We verify these internal specifications against your machine’s original requirements to maintain micron-level stability.
Q: When should I choose corrosion-resistant variants over standard bearing steel?
A: Standard bearing steel is suitable for clean, dry, and climate-controlled environments like electronics manufacturing. If your equipment operates in food processing, medical washdown areas, or high-humidity storage systems, you must select the corrosion-resistant variants to prevent raceway pitting and subsequent tracking failure.
Q: Can I mix different block sizes on the same linear rail?
A: No. All blocks on a single rail must share the exact same profile type, carriage height, and width tolerances. Mixing sizes or even different preload classes on the same axis creates unequal load distribution, leading to rapid overload and catastrophic failure of the smallest or stiffest block in the set.
- Product Name
- X&S HGH30HA HGH45HA HGH55HA HGH65HA Linear Guide Bearing Slide Block
- Category
- Sliding Block Guide
- Brand
- SKF
- Certification
- ISO 9001 · TS 16949
- Lead Time
- 7 Working Days
Our engineers will respond within 12 hours with a tailored solution.
Request QuoteGeneral Specifications
| Bearing Type | Sliding Block Guide |
| Brand | SKF |
| Quality Standard | ISO 9001 / TS 16949 |
| Precision Grade | P0 / P5 / P6 (custom) |
| Material | Chrome Steel / Stainless |
| Cage Material | Steel / Brass / Polyamide |
| Lubrication | Grease / Oil (specify) |
| Operating Temp. | -40°C to +200°C |
| Min. Order Qty | 1 pc (samples available) |
| Prototype Lead Time | 7 Working Days |
Performance Parameters
| Load Capacity | Contact for C0/Cr values |
| Speed Rating | Contact for ndm limit |
| Vibration Level | Z1 / Z2 / Z3 (custom) |
| Noise Level | V1 / V2 / V3 (custom) |
| Fatigue Life | L10h per ISO 281 |
| Sealing Options | Open / Z / 2Z / RS / 2RS |
Our engineering team can modify bearing dimensions, materials, seals, and clearances to meet your specific operating requirements. Submit your drawing or spec sheet for a tailored proposal.
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Application Design
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Custom Modification
7-Day TurnaroundNeed non-standard dimensions, special materials, or modified clearances? We can modify standard SKF bearings or manufacture fully custom solutions with a 7-day prototype turnaround.
Failure Analysis
DiagnosticsWhen bearings fail prematurely, our team conducts root-cause analysis using advanced diagnostic tools to identify the failure mode and recommend corrective action.
Predictive Maintenance
Up to 40% Less DowntimeWe deploy vibration monitoring, thermal imaging, and oil analysis programs that detect bearing deterioration early -- reducing unplanned downtime by up to 40%.
On-site Installation
Global CoverageProper installation is critical to bearing performance. Our certified technicians provide on-site installation support, alignment verification, and operator training worldwide.
Lifecycle Support
Enterprise SLAFrom initial selection through end-of-life, our dedicated account managers provide scheduled maintenance plans, re-lubrication programs, and replacement forecasting for enterprise clients.
The engineering partner advantage
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X&S HGH30HA HGH45HA HGH55HA HGH65HA Linear Guide Bearing Slide Block
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