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Home » Products » Linear Guide Bearings » Super Precision Linear Rail for Machine Tool QHW Series Linear Guide Bearings

Super Precision Linear Rail for Machine Tool QHW Series Linear Guide Bearings

The MGN series is a common naming convention for miniaturized, compact linear guides (similar to the standard MGN and the high-profile MGH), and is particularly popular in 3D printing, desktop CNC machines, and small automation equipment. The letters C and H typically denote different slider heights or structural configurations.
Availability:
Quantity:
  • QHW15CA QHW20CA QHW20HA QHW25CA QHW25HA QHW30CA QHW30HA QHW35CA QHW35HA QHW45CA QHW45HA

  • ZGXSY, OEM, WORD FAMOUS BRAND, NO BRAND

  • China

  • Bearing Steel, GCR 15

  • WEH-CA Series

  • 12 Months / One Year

  • X-Y axes, high-end automation field, high-speed sorting and packaging production lines

  • By International Express or Sea or Railway

  • 1 PC

Product Description:

CA Series: High-performance standard type. Utilizing high-grade bearing steel and deep precision grinding processes, this series focuses on providing superior accuracy retention, wear resistance, and reliability compared to general-purpose products in conventional industrial environments.


HA Series: Ultra-long life/extreme condition type. Its core technology may involve the use of special alloy materials (such as high-temperature alloys), ceramic balls, or advanced surface treatment technologies (such as composite coatings, ion nitriding, etc.). Designed specifically to handle extremely demanding application environments such as high temperature, high vacuum, highly corrosive media, or lifetime maintenance-free operation.

Speciication:

Model No.Diensions of Assembly [mm]Dimension of Block [mm]Dimension of Rail [mm]Mounting Bolt for RailBasic Dynamic Load RatingBasic Static Load RatingStatic Rated MomentWeight
HH1NWBB1CL1LK1K2GMTT1H2H3WRHRDhdPE[mm]C(kN)C0(kN)MR(kN·m)MP(kN·m)MY(kN·m)Block(kg)Rail(kg/m)
QHW15CA2441647384.53039.461.4855.3M568.93.954.215157.55.34.56020M4x1617.9419.860.10.1120.1120.171.45
QHW20CA304.621.5635354050.576.79.75612M6810662017.59.58.566020M5x163033.860.260.2660.2660.42.21
QHW20HA65.291.417.135.742.310.310.370.370.52
QHW25CA365.523.570576.5455883.410.7612M881465232211976020M6x2041.948.750.390.460.460.593.21
QHW25HA78.61042150.6160.940.50.5760.5760.8
QHW30CA4263190729527097.413.56.2512M108.5166.562826141298020M8x2558.2666.340.60.660.661.094.47
QHW30HA93120.425.7570.3288.450.831.191.191.44
QHW35CA487.5331008296280113.6137.512M1010.1188.56.53429141298020M8x2578.8986.661.071.0221.0221.566.3
QHW35HA105.8139.425.995.23115.551.451.9191.9192.06
QHW45CA609.237.5120100108097139.4131012.9M1215.1228.510453820171410522.5M12x35119.4135.421.832.0922.0922.7910.41
QHW45HA128.8171.228.9144.13180.562.474.0024.0023.69


Features: 

1. Optimized Load Distribution Groove Design:  Utilizing bidirectional large contact angle arc grooves, the ball bearings achieve optimal stress distribution when subjected to loads from various directions, significantly improving fatigue life.

2. Surface Treatment Technology: The guide rail raceways undergo deep carburizing and quenching or high-frequency quenching, followed by ultra-precision constant-temperature grinding, ensuring extremely high hardness and excellent surface finish, resulting in outstanding wear resistance and corrosion resistance.

3. Fully Sealed Protection: Equipped with a three-layer sealing system (end face oil scraper, side metal chip guard, and internal labyrinth seal), it provides IP54 or higher dustproof and waterproof protection, effectively preventing chips, dust, and liquids from entering.

Advantages: 

1. High Precision and High Rigidity: The HA series is particularly outstanding, maintaining micron-level motion accuracy even under heavy loads.

2. Exceptional Durability and Lifespan: Optimized materials and heat treatment processes, combined with equal load design, result in a significantly longer rated lifespan (L10) compared to ordinary products.

3. Excellent Running Smoothness: Precision manufacturing ensures extremely low starting force and running friction, resulting in smooth and fluid motion without any sticking.

4. High Environmental Adaptability: Enhanced sealing and anti-corrosion treatment enable it to perform reliably in harsh working conditions such as those found in machine tools and forging equipment.

5. Low Maintenance Costs: Long lifespan and reliable sealing reduce maintenance frequency and downtime.

Applications:

This series is specifically designed to address the challenges of heavy-duty, high-precision, and long-term continuous operation. Typical applications include:

1. High-end CNC machine tools: Feed axes of machining centers, CNC milling machines, and grinding machines.

2. Precision stamping and forming equipment: Moving tables of precision presses and die-casting machines.

3. Heavy-duty automation systems: Large gantry robots and stacker cranes in automated warehouses.

4. Inspection and measurement equipment: Coordinate measuring machines and large workpiece vision measuring instruments.

5. New energy equipment: Precision motion platforms for lithium battery winding machines and photovoltaic panel laminating machines.

Our Services:

Our Quality:

Quality is the life. We use only the best quality material to ensure the standard of our product range is of the highest caliber.

All products we sold out are strictly selected and tested by our QC department.

Warranty:

We support 12 months warranty for all products.

Payment:

We accept payment via TT (Bank transfer), Paypal etc..

We accept bank transfer for large orders. For small order, you'd better pay via Paypal.

Shipping:

We offer as many shipping options as possible, including DHL, UPS, TNT, FEDEX and EMS, Airfreight and by Sea.

FAQ:

Q1: Are you factory or trading company?

A: We are factory with the most competitive price and high quality.


Q2: Customized accepted?

A: Yes, sure. If that, please send us the drawing of the type with the picture will be most appreciated.


A3: Can I get some samples or more discounts?

A: Yes, just to contact us and we are honored to offer samples to you for checking.


Q4: How about the time of delivery?

A: For the products in stock, it will be sent out in 1-3 days; Or it will be sent out 3-30 days according to the quantity.


Q5: What's your MOQ?

A: We can accept trial orders (even 1 pc) for prototype, there are plenty of stocks in factory, and can be shipped very fast.


Q6: How can I get a quotation?

A: Normally, we will quote within 24 hours. If you are in urgent, please give a call or let us know in your email with the details.

We need information bellow:

1.The Model Number/ the detail drawing of non-standard bearing;

2.Quantity;

3.Material;

4.Surface treatment;

5.Any special packing or other requirements.


Q7: Where is your factory?

A: Our factory is located in Linqing City, Shandong Province, China. It only 2.5 hours to Jinan Yaoqiang Airport, we can provide business vehicle to take you coming and departure.


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